Home / 7,114.25-10,656.49-5,720.04

Finding the Fourth Proportional to 7,114.25, 10,656.49 and 5,720.04

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Solution

The fourth proportional to 7,114.25, 10,656.49 and 5,720.04 is: 8,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.25 : 10,656.49 = 5,720.04 : x
  2. Step 2: Convert to fraction form
    7,114.25/10,656.49 = 5,720.04/x
  3. Step 3: Cross multiply
    7,114.25x = 10,656.49 × 5,720.04
  4. Step 4: Simplify right side
    7,114.25x = 60,955,549.06
  5. Step 5: Solve for x
    x = 60,955,549.06/7,114.25
  6. Step 6: Final answer
    x = 8,568.09

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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.