Home / 8,316.90-11,479.76-5,446.07

Finding the Fourth Proportional to 8,316.90, 11,479.76 and 5,446.07

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Solution

The fourth proportional to 8,316.90, 11,479.76 and 5,446.07 is: 7,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.90 : 11,479.76 = 5,446.07 : x
  2. Step 2: Convert to fraction form
    8,316.90/11,479.76 = 5,446.07/x
  3. Step 3: Cross multiply
    8,316.90x = 11,479.76 × 5,446.07
  4. Step 4: Simplify right side
    8,316.90x = 62,519,491.91
  5. Step 5: Solve for x
    x = 62,519,491.91/8,316.90
  6. Step 6: Final answer
    x = 7,517.16

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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.