Home / 8,488.22-12,729.08-4,590.50

Finding the Fourth Proportional to 8,488.22, 12,729.08 and 4,590.50

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Solution

The fourth proportional to 8,488.22, 12,729.08 and 4,590.50 is: 6,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.22 : 12,729.08 = 4,590.50 : x
  2. Step 2: Convert to fraction form
    8,488.22/12,729.08 = 4,590.50/x
  3. Step 3: Cross multiply
    8,488.22x = 12,729.08 × 4,590.50
  4. Step 4: Simplify right side
    8,488.22x = 58,432,755.14
  5. Step 5: Solve for x
    x = 58,432,755.14/8,488.22
  6. Step 6: Final answer
    x = 6,883.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.