Home / 5,613.28-8,419.59-1,717.39

Finding the Fourth Proportional to 5,613.28, 8,419.59 and 1,717.39

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Solution

The fourth proportional to 5,613.28, 8,419.59 and 1,717.39 is: 2,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.28 : 8,419.59 = 1,717.39 : x
  2. Step 2: Convert to fraction form
    5,613.28/8,419.59 = 1,717.39/x
  3. Step 3: Cross multiply
    5,613.28x = 8,419.59 × 1,717.39
  4. Step 4: Simplify right side
    5,613.28x = 14,459,719.67
  5. Step 5: Solve for x
    x = 14,459,719.67/5,613.28
  6. Step 6: Final answer
    x = 2,575.98

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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.