Home / 5,349.89-7,381.36-3,081.13

Finding the Fourth Proportional to 5,349.89, 7,381.36 and 3,081.13

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Solution

The fourth proportional to 5,349.89, 7,381.36 and 3,081.13 is: 4,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.89 : 7,381.36 = 3,081.13 : x
  2. Step 2: Convert to fraction form
    5,349.89/7,381.36 = 3,081.13/x
  3. Step 3: Cross multiply
    5,349.89x = 7,381.36 × 3,081.13
  4. Step 4: Simplify right side
    5,349.89x = 22,742,929.74
  5. Step 5: Solve for x
    x = 22,742,929.74/5,349.89
  6. Step 6: Final answer
    x = 4,251.11

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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.