Home / 8,740.40-12,059.54-5,909.24

Finding the Fourth Proportional to 8,740.40, 12,059.54 and 5,909.24

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Solution

The fourth proportional to 8,740.40, 12,059.54 and 5,909.24 is: 8,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.40 : 12,059.54 = 5,909.24 : x
  2. Step 2: Convert to fraction form
    8,740.40/12,059.54 = 5,909.24/x
  3. Step 3: Cross multiply
    8,740.40x = 12,059.54 × 5,909.24
  4. Step 4: Simplify right side
    8,740.40x = 71,262,716.15
  5. Step 5: Solve for x
    x = 71,262,716.15/8,740.40
  6. Step 6: Final answer
    x = 8,153.26

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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.