Home / 8,126.55-11,215.32-4,590.39

Finding the Fourth Proportional to 8,126.55, 11,215.32 and 4,590.39

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Solution

The fourth proportional to 8,126.55, 11,215.32 and 4,590.39 is: 6,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.55 : 11,215.32 = 4,590.39 : x
  2. Step 2: Convert to fraction form
    8,126.55/11,215.32 = 4,590.39/x
  3. Step 3: Cross multiply
    8,126.55x = 11,215.32 × 4,590.39
  4. Step 4: Simplify right side
    8,126.55x = 51,482,692.77
  5. Step 5: Solve for x
    x = 51,482,692.77/8,126.55
  6. Step 6: Final answer
    x = 6,335.12

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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.