Home / 5,319.64-7,341.42-3,080.80

Finding the Fourth Proportional to 5,319.64, 7,341.42 and 3,080.80

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Solution

The fourth proportional to 5,319.64, 7,341.42 and 3,080.80 is: 4,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.64 : 7,341.42 = 3,080.80 : x
  2. Step 2: Convert to fraction form
    5,319.64/7,341.42 = 3,080.80/x
  3. Step 3: Cross multiply
    5,319.64x = 7,341.42 × 3,080.80
  4. Step 4: Simplify right side
    5,319.64x = 22,617,446.74
  5. Step 5: Solve for x
    x = 22,617,446.74/5,319.64
  6. Step 6: Final answer
    x = 4,251.69

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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.