Home / 5,389.18-7,436.53-3,031.13

Finding the Fourth Proportional to 5,389.18, 7,436.53 and 3,031.13

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Solution

The fourth proportional to 5,389.18, 7,436.53 and 3,031.13 is: 4,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.18 : 7,436.53 = 3,031.13 : x
  2. Step 2: Convert to fraction form
    5,389.18/7,436.53 = 3,031.13/x
  3. Step 3: Cross multiply
    5,389.18x = 7,436.53 × 3,031.13
  4. Step 4: Simplify right side
    5,389.18x = 22,541,089.18
  5. Step 5: Solve for x
    x = 22,541,089.18/5,389.18
  6. Step 6: Final answer
    x = 4,182.66

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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.