Home / 8,938.28-12,333.02-5,401.68

Finding the Fourth Proportional to 8,938.28, 12,333.02 and 5,401.68

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Solution

The fourth proportional to 8,938.28, 12,333.02 and 5,401.68 is: 7,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.28 : 12,333.02 = 5,401.68 : x
  2. Step 2: Convert to fraction form
    8,938.28/12,333.02 = 5,401.68/x
  3. Step 3: Cross multiply
    8,938.28x = 12,333.02 × 5,401.68
  4. Step 4: Simplify right side
    8,938.28x = 66,619,027.47
  5. Step 5: Solve for x
    x = 66,619,027.47/8,938.28
  6. Step 6: Final answer
    x = 7,453.23

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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.