Home / 5,319.05-7,341.89-3,081.47

Finding the Fourth Proportional to 5,319.05, 7,341.89 and 3,081.47

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Solution

The fourth proportional to 5,319.05, 7,341.89 and 3,081.47 is: 4,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.05 : 7,341.89 = 3,081.47 : x
  2. Step 2: Convert to fraction form
    5,319.05/7,341.89 = 3,081.47/x
  3. Step 3: Cross multiply
    5,319.05x = 7,341.89 × 3,081.47
  4. Step 4: Simplify right side
    5,319.05x = 22,623,813.78
  5. Step 5: Solve for x
    x = 22,623,813.78/5,319.05
  6. Step 6: Final answer
    x = 4,253.36

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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.