Home / 8,973.18-12,389.66-5,441.18

Finding the Fourth Proportional to 8,973.18, 12,389.66 and 5,441.18

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Solution

The fourth proportional to 8,973.18, 12,389.66 and 5,441.18 is: 7,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.18 : 12,389.66 = 5,441.18 : x
  2. Step 2: Convert to fraction form
    8,973.18/12,389.66 = 5,441.18/x
  3. Step 3: Cross multiply
    8,973.18x = 12,389.66 × 5,441.18
  4. Step 4: Simplify right side
    8,973.18x = 67,414,301.45
  5. Step 5: Solve for x
    x = 67,414,301.45/8,973.18
  6. Step 6: Final answer
    x = 7,512.87

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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.