Home / 8,988.29-13,473.18-3,440.12

Finding the Fourth Proportional to 8,988.29, 13,473.18 and 3,440.12

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Solution

The fourth proportional to 8,988.29, 13,473.18 and 3,440.12 is: 5,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.29 : 13,473.18 = 3,440.12 : x
  2. Step 2: Convert to fraction form
    8,988.29/13,473.18 = 3,440.12/x
  3. Step 3: Cross multiply
    8,988.29x = 13,473.18 × 3,440.12
  4. Step 4: Simplify right side
    8,988.29x = 46,349,355.98
  5. Step 5: Solve for x
    x = 46,349,355.98/8,988.29
  6. Step 6: Final answer
    x = 5,156.64

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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.