Home / 5,514.04-7,609.02-3,155.80

Finding the Fourth Proportional to 5,514.04, 7,609.02 and 3,155.80

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Solution

The fourth proportional to 5,514.04, 7,609.02 and 3,155.80 is: 4,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.04 : 7,609.02 = 3,155.80 : x
  2. Step 2: Convert to fraction form
    5,514.04/7,609.02 = 3,155.80/x
  3. Step 3: Cross multiply
    5,514.04x = 7,609.02 × 3,155.80
  4. Step 4: Simplify right side
    5,514.04x = 24,012,545.32
  5. Step 5: Solve for x
    x = 24,012,545.32/5,514.04
  6. Step 6: Final answer
    x = 4,354.80

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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.