Home / 4,875.13-7,311.12-1,587.43

Finding the Fourth Proportional to 4,875.13, 7,311.12 and 1,587.43

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Solution

The fourth proportional to 4,875.13, 7,311.12 and 1,587.43 is: 2,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.13 : 7,311.12 = 1,587.43 : x
  2. Step 2: Convert to fraction form
    4,875.13/7,311.12 = 1,587.43/x
  3. Step 3: Cross multiply
    4,875.13x = 7,311.12 × 1,587.43
  4. Step 4: Simplify right side
    4,875.13x = 11,605,891.22
  5. Step 5: Solve for x
    x = 11,605,891.22/4,875.13
  6. Step 6: Final answer
    x = 2,380.63

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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.