Home / 8,126.40-11,215.52-4,590.96

Finding the Fourth Proportional to 8,126.40, 11,215.52 and 4,590.96

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Solution

The fourth proportional to 8,126.40, 11,215.52 and 4,590.96 is: 6,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.40 : 11,215.52 = 4,590.96 : x
  2. Step 2: Convert to fraction form
    8,126.40/11,215.52 = 4,590.96/x
  3. Step 3: Cross multiply
    8,126.40x = 11,215.52 × 4,590.96
  4. Step 4: Simplify right side
    8,126.40x = 51,490,003.70
  5. Step 5: Solve for x
    x = 51,490,003.70/8,126.40
  6. Step 6: Final answer
    x = 6,336.14

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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.