Home / 4,960.30-7,428.30-3,307.90

Finding the Fourth Proportional to 4,960.30, 7,428.30 and 3,307.90

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Solution

The fourth proportional to 4,960.30, 7,428.30 and 3,307.90 is: 4,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.30 : 7,428.30 = 3,307.90 : x
  2. Step 2: Convert to fraction form
    4,960.30/7,428.30 = 3,307.90/x
  3. Step 3: Cross multiply
    4,960.30x = 7,428.30 × 3,307.90
  4. Step 4: Simplify right side
    4,960.30x = 24,572,073.57
  5. Step 5: Solve for x
    x = 24,572,073.57/4,960.30
  6. Step 6: Final answer
    x = 4,953.75

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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.