Home / 7,637.06-10,538.07-4,279.61

Finding the Fourth Proportional to 7,637.06, 10,538.07 and 4,279.61

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Solution

The fourth proportional to 7,637.06, 10,538.07 and 4,279.61 is: 5,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.06 : 10,538.07 = 4,279.61 : x
  2. Step 2: Convert to fraction form
    7,637.06/10,538.07 = 4,279.61/x
  3. Step 3: Cross multiply
    7,637.06x = 10,538.07 × 4,279.61
  4. Step 4: Simplify right side
    7,637.06x = 45,098,856.10
  5. Step 5: Solve for x
    x = 45,098,856.10/7,637.06
  6. Step 6: Final answer
    x = 5,905.26

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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.