Home / 4,691.55-7,036.20-2,712.90

Finding the Fourth Proportional to 4,691.55, 7,036.20 and 2,712.90

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Solution

The fourth proportional to 4,691.55, 7,036.20 and 2,712.90 is: 4,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.55 : 7,036.20 = 2,712.90 : x
  2. Step 2: Convert to fraction form
    4,691.55/7,036.20 = 2,712.90/x
  3. Step 3: Cross multiply
    4,691.55x = 7,036.20 × 2,712.90
  4. Step 4: Simplify right side
    4,691.55x = 19,088,506.98
  5. Step 5: Solve for x
    x = 19,088,506.98/4,691.55
  6. Step 6: Final answer
    x = 4,068.70

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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.