Home / 5,714.68-8,572.64-1,818.17

Finding the Fourth Proportional to 5,714.68, 8,572.64 and 1,818.17

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Solution

The fourth proportional to 5,714.68, 8,572.64 and 1,818.17 is: 2,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.68 : 8,572.64 = 1,818.17 : x
  2. Step 2: Convert to fraction form
    5,714.68/8,572.64 = 1,818.17/x
  3. Step 3: Cross multiply
    5,714.68x = 8,572.64 × 1,818.17
  4. Step 4: Simplify right side
    5,714.68x = 15,586,516.87
  5. Step 5: Solve for x
    x = 15,586,516.87/5,714.68
  6. Step 6: Final answer
    x = 2,727.45

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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.