Home / 5,560.20-8,339.76-1,456.20

Finding the Fourth Proportional to 5,560.20, 8,339.76 and 1,456.20

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Solution

The fourth proportional to 5,560.20, 8,339.76 and 1,456.20 is: 2,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.20 : 8,339.76 = 1,456.20 : x
  2. Step 2: Convert to fraction form
    5,560.20/8,339.76 = 1,456.20/x
  3. Step 3: Cross multiply
    5,560.20x = 8,339.76 × 1,456.20
  4. Step 4: Simplify right side
    5,560.20x = 12,144,358.51
  5. Step 5: Solve for x
    x = 12,144,358.51/5,560.20
  6. Step 6: Final answer
    x = 2,184.16

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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.