Home / 5,505.10-7,597.04-2,987.20

Finding the Fourth Proportional to 5,505.10, 7,597.04 and 2,987.20

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Solution

The fourth proportional to 5,505.10, 7,597.04 and 2,987.20 is: 4,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.10 : 7,597.04 = 2,987.20 : x
  2. Step 2: Convert to fraction form
    5,505.10/7,597.04 = 2,987.20/x
  3. Step 3: Cross multiply
    5,505.10x = 7,597.04 × 2,987.20
  4. Step 4: Simplify right side
    5,505.10x = 22,693,877.89
  5. Step 5: Solve for x
    x = 22,693,877.89/5,505.10
  6. Step 6: Final answer
    x = 4,122.34

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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.