Home / 6,517.05-8,991.16-4,280.13

Finding the Fourth Proportional to 6,517.05, 8,991.16 and 4,280.13

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Solution

The fourth proportional to 6,517.05, 8,991.16 and 4,280.13 is: 5,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.05 : 8,991.16 = 4,280.13 : x
  2. Step 2: Convert to fraction form
    6,517.05/8,991.16 = 4,280.13/x
  3. Step 3: Cross multiply
    6,517.05x = 8,991.16 × 4,280.13
  4. Step 4: Simplify right side
    6,517.05x = 38,483,333.65
  5. Step 5: Solve for x
    x = 38,483,333.65/6,517.05
  6. Step 6: Final answer
    x = 5,905.02

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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.