Home / 8,426.98-11,627.16-5,151.90

Finding the Fourth Proportional to 8,426.98, 11,627.16 and 5,151.90

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Solution

The fourth proportional to 8,426.98, 11,627.16 and 5,151.90 is: 7,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.98 : 11,627.16 = 5,151.90 : x
  2. Step 2: Convert to fraction form
    8,426.98/11,627.16 = 5,151.90/x
  3. Step 3: Cross multiply
    8,426.98x = 11,627.16 × 5,151.90
  4. Step 4: Simplify right side
    8,426.98x = 59,901,924.48
  5. Step 5: Solve for x
    x = 59,901,924.48/8,426.98
  6. Step 6: Final answer
    x = 7,108.35

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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.