Home / 8,901.88-13,352.81-3,707.75

Finding the Fourth Proportional to 8,901.88, 13,352.81 and 3,707.75

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Solution

The fourth proportional to 8,901.88, 13,352.81 and 3,707.75 is: 5,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.88 : 13,352.81 = 3,707.75 : x
  2. Step 2: Convert to fraction form
    8,901.88/13,352.81 = 3,707.75/x
  3. Step 3: Cross multiply
    8,901.88x = 13,352.81 × 3,707.75
  4. Step 4: Simplify right side
    8,901.88x = 49,508,881.28
  5. Step 5: Solve for x
    x = 49,508,881.28/8,901.88
  6. Step 6: Final answer
    x = 5,561.62

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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.