Home / 8,126.98-11,215.10-4,542.02

Finding the Fourth Proportional to 8,126.98, 11,215.10 and 4,542.02

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Solution

The fourth proportional to 8,126.98, 11,215.10 and 4,542.02 is: 6,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.98 : 11,215.10 = 4,542.02 : x
  2. Step 2: Convert to fraction form
    8,126.98/11,215.10 = 4,542.02/x
  3. Step 3: Cross multiply
    8,126.98x = 11,215.10 × 4,542.02
  4. Step 4: Simplify right side
    8,126.98x = 50,939,225.18
  5. Step 5: Solve for x
    x = 50,939,225.18/8,126.98
  6. Step 6: Final answer
    x = 6,267.92

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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.