Home / 5,442.15-7,499.64-3,670.68

Finding the Fourth Proportional to 5,442.15, 7,499.64 and 3,670.68

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Solution

The fourth proportional to 5,442.15, 7,499.64 and 3,670.68 is: 5,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.15 : 7,499.64 = 3,670.68 : x
  2. Step 2: Convert to fraction form
    5,442.15/7,499.64 = 3,670.68/x
  3. Step 3: Cross multiply
    5,442.15x = 7,499.64 × 3,670.68
  4. Step 4: Simplify right side
    5,442.15x = 27,528,760.20
  5. Step 5: Solve for x
    x = 27,528,760.20/5,442.15
  6. Step 6: Final answer
    x = 5,058.43

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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.