Home / 8,273.68-11,417.88-4,547.68

Finding the Fourth Proportional to 8,273.68, 11,417.88 and 4,547.68

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Solution

The fourth proportional to 8,273.68, 11,417.88 and 4,547.68 is: 6,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.68 : 11,417.88 = 4,547.68 : x
  2. Step 2: Convert to fraction form
    8,273.68/11,417.88 = 4,547.68/x
  3. Step 3: Cross multiply
    8,273.68x = 11,417.88 × 4,547.68
  4. Step 4: Simplify right side
    8,273.68x = 51,924,864.52
  5. Step 5: Solve for x
    x = 51,924,864.52/8,273.68
  6. Step 6: Final answer
    x = 6,275.91

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.