Home / 8,301.27-12,459.21-4,355.35

Finding the Fourth Proportional to 8,301.27, 12,459.21 and 4,355.35

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Solution

The fourth proportional to 8,301.27, 12,459.21 and 4,355.35 is: 6,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.27 : 12,459.21 = 4,355.35 : x
  2. Step 2: Convert to fraction form
    8,301.27/12,459.21 = 4,355.35/x
  3. Step 3: Cross multiply
    8,301.27x = 12,459.21 × 4,355.35
  4. Step 4: Simplify right side
    8,301.27x = 54,264,136.20
  5. Step 5: Solve for x
    x = 54,264,136.20/8,301.27
  6. Step 6: Final answer
    x = 6,536.85

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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.