Home / 5,389.07-7,436.75-3,031.34

Finding the Fourth Proportional to 5,389.07, 7,436.75 and 3,031.34

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Solution

The fourth proportional to 5,389.07, 7,436.75 and 3,031.34 is: 4,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.07 : 7,436.75 = 3,031.34 : x
  2. Step 2: Convert to fraction form
    5,389.07/7,436.75 = 3,031.34/x
  3. Step 3: Cross multiply
    5,389.07x = 7,436.75 × 3,031.34
  4. Step 4: Simplify right side
    5,389.07x = 22,543,265.40
  5. Step 5: Solve for x
    x = 22,543,265.40/5,389.07
  6. Step 6: Final answer
    x = 4,183.15

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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.