Home / 4,106.20-6,159.38-1,332.87

Finding the Fourth Proportional to 4,106.20, 6,159.38 and 1,332.87

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Solution

The fourth proportional to 4,106.20, 6,159.38 and 1,332.87 is: 1,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.20 : 6,159.38 = 1,332.87 : x
  2. Step 2: Convert to fraction form
    4,106.20/6,159.38 = 1,332.87/x
  3. Step 3: Cross multiply
    4,106.20x = 6,159.38 × 1,332.87
  4. Step 4: Simplify right side
    4,106.20x = 8,209,652.82
  5. Step 5: Solve for x
    x = 8,209,652.82/4,106.20
  6. Step 6: Final answer
    x = 1,999.33

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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.