Home / 4,220.01-6,330.24-1,300.32

Finding the Fourth Proportional to 4,220.01, 6,330.24 and 1,300.32

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Solution

The fourth proportional to 4,220.01, 6,330.24 and 1,300.32 is: 1,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.01 : 6,330.24 = 1,300.32 : x
  2. Step 2: Convert to fraction form
    4,220.01/6,330.24 = 1,300.32/x
  3. Step 3: Cross multiply
    4,220.01x = 6,330.24 × 1,300.32
  4. Step 4: Simplify right side
    4,220.01x = 8,231,337.68
  5. Step 5: Solve for x
    x = 8,231,337.68/4,220.01
  6. Step 6: Final answer
    x = 1,950.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.