Home / 7,942.14-10,960.02-4,405.28

Finding the Fourth Proportional to 7,942.14, 10,960.02 and 4,405.28

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Solution

The fourth proportional to 7,942.14, 10,960.02 and 4,405.28 is: 6,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.14 : 10,960.02 = 4,405.28 : x
  2. Step 2: Convert to fraction form
    7,942.14/10,960.02 = 4,405.28/x
  3. Step 3: Cross multiply
    7,942.14x = 10,960.02 × 4,405.28
  4. Step 4: Simplify right side
    7,942.14x = 48,281,902.11
  5. Step 5: Solve for x
    x = 48,281,902.11/7,942.14
  6. Step 6: Final answer
    x = 6,079.21

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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.