Home / 7,943.10-10,958.79-4,957.84

Finding the Fourth Proportional to 7,943.10, 10,958.79 and 4,957.84

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Solution

The fourth proportional to 7,943.10, 10,958.79 and 4,957.84 is: 6,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.10 : 10,958.79 = 4,957.84 : x
  2. Step 2: Convert to fraction form
    7,943.10/10,958.79 = 4,957.84/x
  3. Step 3: Cross multiply
    7,943.10x = 10,958.79 × 4,957.84
  4. Step 4: Simplify right side
    7,943.10x = 54,331,959.70
  5. Step 5: Solve for x
    x = 54,331,959.70/7,943.10
  6. Step 6: Final answer
    x = 6,840.15

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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.