Home / 6,104.55-8,421.11-3,862.57

Finding the Fourth Proportional to 6,104.55, 8,421.11 and 3,862.57

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Solution

The fourth proportional to 6,104.55, 8,421.11 and 3,862.57 is: 5,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,104.55 : 8,421.11 = 3,862.57 : x
  2. Step 2: Convert to fraction form
    6,104.55/8,421.11 = 3,862.57/x
  3. Step 3: Cross multiply
    6,104.55x = 8,421.11 × 3,862.57
  4. Step 4: Simplify right side
    6,104.55x = 32,527,138.49
  5. Step 5: Solve for x
    x = 32,527,138.49/6,104.55
  6. Step 6: Final answer
    x = 5,328.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.