Home / 4,642.29-6,959.81-3,157.62

Finding the Fourth Proportional to 4,642.29, 6,959.81 and 3,157.62

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Solution

The fourth proportional to 4,642.29, 6,959.81 and 3,157.62 is: 4,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.29 : 6,959.81 = 3,157.62 : x
  2. Step 2: Convert to fraction form
    4,642.29/6,959.81 = 3,157.62/x
  3. Step 3: Cross multiply
    4,642.29x = 6,959.81 × 3,157.62
  4. Step 4: Simplify right side
    4,642.29x = 21,976,419.46
  5. Step 5: Solve for x
    x = 21,976,419.46/4,642.29
  6. Step 6: Final answer
    x = 4,733.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.