Home / 5,391.08-7,438.89-3,032.76

Finding the Fourth Proportional to 5,391.08, 7,438.89 and 3,032.76

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Solution

The fourth proportional to 5,391.08, 7,438.89 and 3,032.76 is: 4,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.08 : 7,438.89 = 3,032.76 : x
  2. Step 2: Convert to fraction form
    5,391.08/7,438.89 = 3,032.76/x
  3. Step 3: Cross multiply
    5,391.08x = 7,438.89 × 3,032.76
  4. Step 4: Simplify right side
    5,391.08x = 22,560,368.04
  5. Step 5: Solve for x
    x = 22,560,368.04/5,391.08
  6. Step 6: Final answer
    x = 4,184.76

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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.