Home / 5,319.60-7,341.05-3,081.91

Finding the Fourth Proportional to 5,319.60, 7,341.05 and 3,081.91

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Solution

The fourth proportional to 5,319.60, 7,341.05 and 3,081.91 is: 4,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.60 : 7,341.05 = 3,081.91 : x
  2. Step 2: Convert to fraction form
    5,319.60/7,341.05 = 3,081.91/x
  3. Step 3: Cross multiply
    5,319.60x = 7,341.05 × 3,081.91
  4. Step 4: Simplify right side
    5,319.60x = 22,624,434.03
  5. Step 5: Solve for x
    x = 22,624,434.03/5,319.60
  6. Step 6: Final answer
    x = 4,253.03

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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.