Home / 5,510.61-7,605.90-3,154.05

Finding the Fourth Proportional to 5,510.61, 7,605.90 and 3,154.05

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Solution

The fourth proportional to 5,510.61, 7,605.90 and 3,154.05 is: 4,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.61 : 7,605.90 = 3,154.05 : x
  2. Step 2: Convert to fraction form
    5,510.61/7,605.90 = 3,154.05/x
  3. Step 3: Cross multiply
    5,510.61x = 7,605.90 × 3,154.05
  4. Step 4: Simplify right side
    5,510.61x = 23,989,388.90
  5. Step 5: Solve for x
    x = 23,989,388.90/5,510.61
  6. Step 6: Final answer
    x = 4,353.31

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Half scale
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Double scale
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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.