Home / 7,419.24-10,221.24-5,177.16

Finding the Fourth Proportional to 7,419.24, 10,221.24 and 5,177.16

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Solution

The fourth proportional to 7,419.24, 10,221.24 and 5,177.16 is: 7,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.24 : 10,221.24 = 5,177.16 : x
  2. Step 2: Convert to fraction form
    7,419.24/10,221.24 = 5,177.16/x
  3. Step 3: Cross multiply
    7,419.24x = 10,221.24 × 5,177.16
  4. Step 4: Simplify right side
    7,419.24x = 52,916,994.88
  5. Step 5: Solve for x
    x = 52,916,994.88/7,419.24
  6. Step 6: Final answer
    x = 7,132.40

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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.