Home / 8,740.22-13,114.56-4,358.30

Finding the Fourth Proportional to 8,740.22, 13,114.56 and 4,358.30

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Solution

The fourth proportional to 8,740.22, 13,114.56 and 4,358.30 is: 6,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.22 : 13,114.56 = 4,358.30 : x
  2. Step 2: Convert to fraction form
    8,740.22/13,114.56 = 4,358.30/x
  3. Step 3: Cross multiply
    8,740.22x = 13,114.56 × 4,358.30
  4. Step 4: Simplify right side
    8,740.22x = 57,157,186.85
  5. Step 5: Solve for x
    x = 57,157,186.85/8,740.22
  6. Step 6: Final answer
    x = 6,539.56

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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.