Home / 6,316.56-8,712.72-4,550.76

Finding the Fourth Proportional to 6,316.56, 8,712.72 and 4,550.76

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Solution

The fourth proportional to 6,316.56, 8,712.72 and 4,550.76 is: 6,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.56 : 8,712.72 = 4,550.76 : x
  2. Step 2: Convert to fraction form
    6,316.56/8,712.72 = 4,550.76/x
  3. Step 3: Cross multiply
    6,316.56x = 8,712.72 × 4,550.76
  4. Step 4: Simplify right side
    6,316.56x = 39,649,497.67
  5. Step 5: Solve for x
    x = 39,649,497.67/6,316.56
  6. Step 6: Final answer
    x = 6,277.07

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Half scale
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Double scale
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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.