Home / 7,445.88-11,171.16-3,065.40

Finding the Fourth Proportional to 7,445.88, 11,171.16 and 3,065.40

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Solution

The fourth proportional to 7,445.88, 11,171.16 and 3,065.40 is: 4,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.88 : 11,171.16 = 3,065.40 : x
  2. Step 2: Convert to fraction form
    7,445.88/11,171.16 = 3,065.40/x
  3. Step 3: Cross multiply
    7,445.88x = 11,171.16 × 3,065.40
  4. Step 4: Simplify right side
    7,445.88x = 34,244,073.86
  5. Step 5: Solve for x
    x = 34,244,073.86/7,445.88
  6. Step 6: Final answer
    x = 4,599.06

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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.