Home / 7,540.02-11,308.20-3,160.75

Finding the Fourth Proportional to 7,540.02, 11,308.20 and 3,160.75

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Solution

The fourth proportional to 7,540.02, 11,308.20 and 3,160.75 is: 4,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.02 : 11,308.20 = 3,160.75 : x
  2. Step 2: Convert to fraction form
    7,540.02/11,308.20 = 3,160.75/x
  3. Step 3: Cross multiply
    7,540.02x = 11,308.20 × 3,160.75
  4. Step 4: Simplify right side
    7,540.02x = 35,742,393.15
  5. Step 5: Solve for x
    x = 35,742,393.15/7,540.02
  6. Step 6: Final answer
    x = 4,740.36

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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.