Home / 7,635.72-11,505.59-6,279.43

Finding the Fourth Proportional to 7,635.72, 11,505.59 and 6,279.43

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Solution

The fourth proportional to 7,635.72, 11,505.59 and 6,279.43 is: 9,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.72 : 11,505.59 = 6,279.43 : x
  2. Step 2: Convert to fraction form
    7,635.72/11,505.59 = 6,279.43/x
  3. Step 3: Cross multiply
    7,635.72x = 11,505.59 × 6,279.43
  4. Step 4: Simplify right side
    7,635.72x = 72,248,547.01
  5. Step 5: Solve for x
    x = 72,248,547.01/7,635.72
  6. Step 6: Final answer
    x = 9,461.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.