Home / 5,613.52-7,751.90-3,521.29

Finding the Fourth Proportional to 5,613.52, 7,751.90 and 3,521.29

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Solution

The fourth proportional to 5,613.52, 7,751.90 and 3,521.29 is: 4,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.52 : 7,751.90 = 3,521.29 : x
  2. Step 2: Convert to fraction form
    5,613.52/7,751.90 = 3,521.29/x
  3. Step 3: Cross multiply
    5,613.52x = 7,751.90 × 3,521.29
  4. Step 4: Simplify right side
    5,613.52x = 27,296,687.95
  5. Step 5: Solve for x
    x = 27,296,687.95/5,613.52
  6. Step 6: Final answer
    x = 4,862.67

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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.