Home / 7,930.13-10,943.57-4,393.57

Finding the Fourth Proportional to 7,930.13, 10,943.57 and 4,393.57

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Solution

The fourth proportional to 7,930.13, 10,943.57 and 4,393.57 is: 6,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.13 : 10,943.57 = 4,393.57 : x
  2. Step 2: Convert to fraction form
    7,930.13/10,943.57 = 4,393.57/x
  3. Step 3: Cross multiply
    7,930.13x = 10,943.57 × 4,393.57
  4. Step 4: Simplify right side
    7,930.13x = 48,081,340.84
  5. Step 5: Solve for x
    x = 48,081,340.84/7,930.13
  6. Step 6: Final answer
    x = 6,063.12

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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.