Home / 5,261.03-7,257.65-3,135.31

Finding the Fourth Proportional to 5,261.03, 7,257.65 and 3,135.31

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Solution

The fourth proportional to 5,261.03, 7,257.65 and 3,135.31 is: 4,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.03 : 7,257.65 = 3,135.31 : x
  2. Step 2: Convert to fraction form
    5,261.03/7,257.65 = 3,135.31/x
  3. Step 3: Cross multiply
    5,261.03x = 7,257.65 × 3,135.31
  4. Step 4: Simplify right side
    5,261.03x = 22,754,966.44
  5. Step 5: Solve for x
    x = 22,754,966.44/5,261.03
  6. Step 6: Final answer
    x = 4,325.20

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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.