Home / 5,274.18-7,278.12-3,036.12

Finding the Fourth Proportional to 5,274.18, 7,278.12 and 3,036.12

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Solution

The fourth proportional to 5,274.18, 7,278.12 and 3,036.12 is: 4,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.18 : 7,278.12 = 3,036.12 : x
  2. Step 2: Convert to fraction form
    5,274.18/7,278.12 = 3,036.12/x
  3. Step 3: Cross multiply
    5,274.18x = 7,278.12 × 3,036.12
  4. Step 4: Simplify right side
    5,274.18x = 22,097,245.69
  5. Step 5: Solve for x
    x = 22,097,245.69/5,274.18
  6. Step 6: Final answer
    x = 4,189.70

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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.