Home / 5,319.41-7,341.06-3,080.90

Finding the Fourth Proportional to 5,319.41, 7,341.06 and 3,080.90

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Solution

The fourth proportional to 5,319.41, 7,341.06 and 3,080.90 is: 4,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.41 : 7,341.06 = 3,080.90 : x
  2. Step 2: Convert to fraction form
    5,319.41/7,341.06 = 3,080.90/x
  3. Step 3: Cross multiply
    5,319.41x = 7,341.06 × 3,080.90
  4. Step 4: Simplify right side
    5,319.41x = 22,617,071.75
  5. Step 5: Solve for x
    x = 22,617,071.75/5,319.41
  6. Step 6: Final answer
    x = 4,251.80

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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.