Home / 4,312.30-6,471.70-2,922.34

Finding the Fourth Proportional to 4,312.30, 6,471.70 and 2,922.34

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Solution

The fourth proportional to 4,312.30, 6,471.70 and 2,922.34 is: 4,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.30 : 6,471.70 = 2,922.34 : x
  2. Step 2: Convert to fraction form
    4,312.30/6,471.70 = 2,922.34/x
  3. Step 3: Cross multiply
    4,312.30x = 6,471.70 × 2,922.34
  4. Step 4: Simplify right side
    4,312.30x = 18,912,507.78
  5. Step 5: Solve for x
    x = 18,912,507.78/4,312.30
  6. Step 6: Final answer
    x = 4,385.71

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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.