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Finding the Fourth Proportional to 5,630.88, 8,437.10 and 1,931.12

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Solution

The fourth proportional to 5,630.88, 8,437.10 and 1,931.12 is: 2,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.88 : 8,437.10 = 1,931.12 : x
  2. Step 2: Convert to fraction form
    5,630.88/8,437.10 = 1,931.12/x
  3. Step 3: Cross multiply
    5,630.88x = 8,437.10 × 1,931.12
  4. Step 4: Simplify right side
    5,630.88x = 16,293,000.71
  5. Step 5: Solve for x
    x = 16,293,000.71/5,630.88
  6. Step 6: Final answer
    x = 2,893.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.