Home / 8,899.20-13,334.40-5,606.40

Finding the Fourth Proportional to 8,899.20, 13,334.40 and 5,606.40

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Solution

The fourth proportional to 8,899.20, 13,334.40 and 5,606.40 is: 8,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.20 : 13,334.40 = 5,606.40 : x
  2. Step 2: Convert to fraction form
    8,899.20/13,334.40 = 5,606.40/x
  3. Step 3: Cross multiply
    8,899.20x = 13,334.40 × 5,606.40
  4. Step 4: Simplify right side
    8,899.20x = 74,757,980.16
  5. Step 5: Solve for x
    x = 74,757,980.16/8,899.20
  6. Step 6: Final answer
    x = 8,400.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.