Home / 7,631.63-10,531.83-4,275.12

Finding the Fourth Proportional to 7,631.63, 10,531.83 and 4,275.12

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Solution

The fourth proportional to 7,631.63, 10,531.83 and 4,275.12 is: 5,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.63 : 10,531.83 = 4,275.12 : x
  2. Step 2: Convert to fraction form
    7,631.63/10,531.83 = 4,275.12/x
  3. Step 3: Cross multiply
    7,631.63x = 10,531.83 × 4,275.12
  4. Step 4: Simplify right side
    7,631.63x = 45,024,892.60
  5. Step 5: Solve for x
    x = 45,024,892.60/7,631.63
  6. Step 6: Final answer
    x = 5,899.78

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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.