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Finding the Fourth Proportional to 7,930.04, 10,948.50 and 4,950.25

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Solution

The fourth proportional to 7,930.04, 10,948.50 and 4,950.25 is: 6,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.04 : 10,948.50 = 4,950.25 : x
  2. Step 2: Convert to fraction form
    7,930.04/10,948.50 = 4,950.25/x
  3. Step 3: Cross multiply
    7,930.04x = 10,948.50 × 4,950.25
  4. Step 4: Simplify right side
    7,930.04x = 54,197,812.13
  5. Step 5: Solve for x
    x = 54,197,812.13/7,930.04
  6. Step 6: Final answer
    x = 6,834.49

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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.