Home / 8,458.14-11,675.50-7,572.40

Finding the Fourth Proportional to 8,458.14, 11,675.50 and 7,572.40

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Solution

The fourth proportional to 8,458.14, 11,675.50 and 7,572.40 is: 10,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.14 : 11,675.50 = 7,572.40 : x
  2. Step 2: Convert to fraction form
    8,458.14/11,675.50 = 7,572.40/x
  3. Step 3: Cross multiply
    8,458.14x = 11,675.50 × 7,572.40
  4. Step 4: Simplify right side
    8,458.14x = 88,411,556.20
  5. Step 5: Solve for x
    x = 88,411,556.20/8,458.14
  6. Step 6: Final answer
    x = 10,452.84

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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.