Home / 5,319.28-7,341.52-3,080.80

Finding the Fourth Proportional to 5,319.28, 7,341.52 and 3,080.80

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Solution

The fourth proportional to 5,319.28, 7,341.52 and 3,080.80 is: 4,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.28 : 7,341.52 = 3,080.80 : x
  2. Step 2: Convert to fraction form
    5,319.28/7,341.52 = 3,080.80/x
  3. Step 3: Cross multiply
    5,319.28x = 7,341.52 × 3,080.80
  4. Step 4: Simplify right side
    5,319.28x = 22,617,754.82
  5. Step 5: Solve for x
    x = 22,617,754.82/5,319.28
  6. Step 6: Final answer
    x = 4,252.03

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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.