Home / 8,143-11,233.58-4,784.76

Finding the Fourth Proportional to 8,143, 11,233.58 and 4,784.76

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Solution

The fourth proportional to 8,143, 11,233.58 and 4,784.76 is: 6,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143 : 11,233.58 = 4,784.76 : x
  2. Step 2: Convert to fraction form
    8,143/11,233.58 = 4,784.76/x
  3. Step 3: Cross multiply
    8,143x = 11,233.58 × 4,784.76
  4. Step 4: Simplify right side
    8,143x = 53,749,984.24
  5. Step 5: Solve for x
    x = 53,749,984.24/8,143
  6. Step 6: Final answer
    x = 6,600.76

Related Problems

Find fourth proportional to 4,071.50, 5,616.79 and 2,392.38
Half scale
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Double scale
Find fourth proportional to 8,144, 11,234.96 and 4,785.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.