Home / 8,560.28-11,813.10-5,419.04

Finding the Fourth Proportional to 8,560.28, 11,813.10 and 5,419.04

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Solution

The fourth proportional to 8,560.28, 11,813.10 and 5,419.04 is: 7,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.28 : 11,813.10 = 5,419.04 : x
  2. Step 2: Convert to fraction form
    8,560.28/11,813.10 = 5,419.04/x
  3. Step 3: Cross multiply
    8,560.28x = 11,813.10 × 5,419.04
  4. Step 4: Simplify right side
    8,560.28x = 64,015,661.42
  5. Step 5: Solve for x
    x = 64,015,661.42/8,560.28
  6. Step 6: Final answer
    x = 7,478.22

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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.