Home / 5,613.90-7,744.70-3,488.86

Finding the Fourth Proportional to 5,613.90, 7,744.70 and 3,488.86

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Solution

The fourth proportional to 5,613.90, 7,744.70 and 3,488.86 is: 4,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.90 : 7,744.70 = 3,488.86 : x
  2. Step 2: Convert to fraction form
    5,613.90/7,744.70 = 3,488.86/x
  3. Step 3: Cross multiply
    5,613.90x = 7,744.70 × 3,488.86
  4. Step 4: Simplify right side
    5,613.90x = 27,020,174.04
  5. Step 5: Solve for x
    x = 27,020,174.04/5,613.90
  6. Step 6: Final answer
    x = 4,813.08

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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.