Home / 8,316.27-11,478.09-4,957.40

Finding the Fourth Proportional to 8,316.27, 11,478.09 and 4,957.40

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Solution

The fourth proportional to 8,316.27, 11,478.09 and 4,957.40 is: 6,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.27 : 11,478.09 = 4,957.40 : x
  2. Step 2: Convert to fraction form
    8,316.27/11,478.09 = 4,957.40/x
  3. Step 3: Cross multiply
    8,316.27x = 11,478.09 × 4,957.40
  4. Step 4: Simplify right side
    8,316.27x = 56,901,425.98
  5. Step 5: Solve for x
    x = 56,901,425.98/8,316.27
  6. Step 6: Final answer
    x = 6,842.18

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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.