Home / 8,944.90-12,344.51-5,168.75

Finding the Fourth Proportional to 8,944.90, 12,344.51 and 5,168.75

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Solution

The fourth proportional to 8,944.90, 12,344.51 and 5,168.75 is: 7,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.90 : 12,344.51 = 5,168.75 : x
  2. Step 2: Convert to fraction form
    8,944.90/12,344.51 = 5,168.75/x
  3. Step 3: Cross multiply
    8,944.90x = 12,344.51 × 5,168.75
  4. Step 4: Simplify right side
    8,944.90x = 63,805,637.26
  5. Step 5: Solve for x
    x = 63,805,637.26/8,944.90
  6. Step 6: Final answer
    x = 7,133.19

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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.