Home / 5,456.05-8,184.16-1,560.45

Finding the Fourth Proportional to 5,456.05, 8,184.16 and 1,560.45

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Solution

The fourth proportional to 5,456.05, 8,184.16 and 1,560.45 is: 2,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.05 : 8,184.16 = 1,560.45 : x
  2. Step 2: Convert to fraction form
    5,456.05/8,184.16 = 1,560.45/x
  3. Step 3: Cross multiply
    5,456.05x = 8,184.16 × 1,560.45
  4. Step 4: Simplify right side
    5,456.05x = 12,770,972.47
  5. Step 5: Solve for x
    x = 12,770,972.47/5,456.05
  6. Step 6: Final answer
    x = 2,340.70

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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.