Home / 6,942.30-10,411.56-3,045.78

Finding the Fourth Proportional to 6,942.30, 10,411.56 and 3,045.78

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Solution

The fourth proportional to 6,942.30, 10,411.56 and 3,045.78 is: 4,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.30 : 10,411.56 = 3,045.78 : x
  2. Step 2: Convert to fraction form
    6,942.30/10,411.56 = 3,045.78/x
  3. Step 3: Cross multiply
    6,942.30x = 10,411.56 × 3,045.78
  4. Step 4: Simplify right side
    6,942.30x = 31,711,321.22
  5. Step 5: Solve for x
    x = 31,711,321.22/6,942.30
  6. Step 6: Final answer
    x = 4,567.84

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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.