Home / 5,387.61-7,434.75-3,029.91

Finding the Fourth Proportional to 5,387.61, 7,434.75 and 3,029.91

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Solution

The fourth proportional to 5,387.61, 7,434.75 and 3,029.91 is: 4,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.61 : 7,434.75 = 3,029.91 : x
  2. Step 2: Convert to fraction form
    5,387.61/7,434.75 = 3,029.91/x
  3. Step 3: Cross multiply
    5,387.61x = 7,434.75 × 3,029.91
  4. Step 4: Simplify right side
    5,387.61x = 22,526,623.37
  5. Step 5: Solve for x
    x = 22,526,623.37/5,387.61
  6. Step 6: Final answer
    x = 4,181.19

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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.