Home / 5,391.65-7,440.63-3,033.88

Finding the Fourth Proportional to 5,391.65, 7,440.63 and 3,033.88

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Solution

The fourth proportional to 5,391.65, 7,440.63 and 3,033.88 is: 4,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.65 : 7,440.63 = 3,033.88 : x
  2. Step 2: Convert to fraction form
    5,391.65/7,440.63 = 3,033.88/x
  3. Step 3: Cross multiply
    5,391.65x = 7,440.63 × 3,033.88
  4. Step 4: Simplify right side
    5,391.65x = 22,573,948.57
  5. Step 5: Solve for x
    x = 22,573,948.57/5,391.65
  6. Step 6: Final answer
    x = 4,186.83

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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.