Home / 7,640.46-11,457.45-2,711.34

Finding the Fourth Proportional to 7,640.46, 11,457.45 and 2,711.34

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Solution

The fourth proportional to 7,640.46, 11,457.45 and 2,711.34 is: 4,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.46 : 11,457.45 = 2,711.34 : x
  2. Step 2: Convert to fraction form
    7,640.46/11,457.45 = 2,711.34/x
  3. Step 3: Cross multiply
    7,640.46x = 11,457.45 × 2,711.34
  4. Step 4: Simplify right side
    7,640.46x = 31,065,042.48
  5. Step 5: Solve for x
    x = 31,065,042.48/7,640.46
  6. Step 6: Final answer
    x = 4,065.86

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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.