Home / 8,159.55-11,259.72-4,622.69

Finding the Fourth Proportional to 8,159.55, 11,259.72 and 4,622.69

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Solution

The fourth proportional to 8,159.55, 11,259.72 and 4,622.69 is: 6,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.55 : 11,259.72 = 4,622.69 : x
  2. Step 2: Convert to fraction form
    8,159.55/11,259.72 = 4,622.69/x
  3. Step 3: Cross multiply
    8,159.55x = 11,259.72 × 4,622.69
  4. Step 4: Simplify right side
    8,159.55x = 52,050,138.75
  5. Step 5: Solve for x
    x = 52,050,138.75/8,159.55
  6. Step 6: Final answer
    x = 6,379.05

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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.