Home / 8,275.98-11,429.43-7,565.22

Finding the Fourth Proportional to 8,275.98, 11,429.43 and 7,565.22

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Solution

The fourth proportional to 8,275.98, 11,429.43 and 7,565.22 is: 10,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.98 : 11,429.43 = 7,565.22 : x
  2. Step 2: Convert to fraction form
    8,275.98/11,429.43 = 7,565.22/x
  3. Step 3: Cross multiply
    8,275.98x = 11,429.43 × 7,565.22
  4. Step 4: Simplify right side
    8,275.98x = 86,466,152.42
  5. Step 5: Solve for x
    x = 86,466,152.42/8,275.98
  6. Step 6: Final answer
    x = 10,447.84

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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.