Home / 5,381.10-8,071.65-3,526.74

Finding the Fourth Proportional to 5,381.10, 8,071.65 and 3,526.74

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Solution

The fourth proportional to 5,381.10, 8,071.65 and 3,526.74 is: 5,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.10 : 8,071.65 = 3,526.74 : x
  2. Step 2: Convert to fraction form
    5,381.10/8,071.65 = 3,526.74/x
  3. Step 3: Cross multiply
    5,381.10x = 8,071.65 × 3,526.74
  4. Step 4: Simplify right side
    5,381.10x = 28,466,610.92
  5. Step 5: Solve for x
    x = 28,466,610.92/5,381.10
  6. Step 6: Final answer
    x = 5,290.11

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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.