Home / 8,944.20-12,341.16-5,407.56

Finding the Fourth Proportional to 8,944.20, 12,341.16 and 5,407.56

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Solution

The fourth proportional to 8,944.20, 12,341.16 and 5,407.56 is: 7,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.20 : 12,341.16 = 5,407.56 : x
  2. Step 2: Convert to fraction form
    8,944.20/12,341.16 = 5,407.56/x
  3. Step 3: Cross multiply
    8,944.20x = 12,341.16 × 5,407.56
  4. Step 4: Simplify right side
    8,944.20x = 66,735,563.17
  5. Step 5: Solve for x
    x = 66,735,563.17/8,944.20
  6. Step 6: Final answer
    x = 7,461.32

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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.