Home / 4,948.96-7,428.57-3,316.92

Finding the Fourth Proportional to 4,948.96, 7,428.57 and 3,316.92

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Solution

The fourth proportional to 4,948.96, 7,428.57 and 3,316.92 is: 4,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.96 : 7,428.57 = 3,316.92 : x
  2. Step 2: Convert to fraction form
    4,948.96/7,428.57 = 3,316.92/x
  3. Step 3: Cross multiply
    4,948.96x = 7,428.57 × 3,316.92
  4. Step 4: Simplify right side
    4,948.96x = 24,639,972.40
  5. Step 5: Solve for x
    x = 24,639,972.40/4,948.96
  6. Step 6: Final answer
    x = 4,978.82

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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.