Home / 5,456.07-8,184.50-1,560.78

Finding the Fourth Proportional to 5,456.07, 8,184.50 and 1,560.78

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Solution

The fourth proportional to 5,456.07, 8,184.50 and 1,560.78 is: 2,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.07 : 8,184.50 = 1,560.78 : x
  2. Step 2: Convert to fraction form
    5,456.07/8,184.50 = 1,560.78/x
  3. Step 3: Cross multiply
    5,456.07x = 8,184.50 × 1,560.78
  4. Step 4: Simplify right side
    5,456.07x = 12,774,203.91
  5. Step 5: Solve for x
    x = 12,774,203.91/5,456.07
  6. Step 6: Final answer
    x = 2,341.28

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Double scale
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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.