Home / 5,389.06-7,436.91-3,150.13

Finding the Fourth Proportional to 5,389.06, 7,436.91 and 3,150.13

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Solution

The fourth proportional to 5,389.06, 7,436.91 and 3,150.13 is: 4,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.06 : 7,436.91 = 3,150.13 : x
  2. Step 2: Convert to fraction form
    5,389.06/7,436.91 = 3,150.13/x
  3. Step 3: Cross multiply
    5,389.06x = 7,436.91 × 3,150.13
  4. Step 4: Simplify right side
    5,389.06x = 23,427,233.30
  5. Step 5: Solve for x
    x = 23,427,233.30/5,389.06
  6. Step 6: Final answer
    x = 4,347.18

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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.