Home / 4,812.59-6,645.12-3,691.74

Finding the Fourth Proportional to 4,812.59, 6,645.12 and 3,691.74

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Solution

The fourth proportional to 4,812.59, 6,645.12 and 3,691.74 is: 5,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.59 : 6,645.12 = 3,691.74 : x
  2. Step 2: Convert to fraction form
    4,812.59/6,645.12 = 3,691.74/x
  3. Step 3: Cross multiply
    4,812.59x = 6,645.12 × 3,691.74
  4. Step 4: Simplify right side
    4,812.59x = 24,532,055.31
  5. Step 5: Solve for x
    x = 24,532,055.31/4,812.59
  6. Step 6: Final answer
    x = 5,097.48

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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.