Home / 7,564.68-10,439.46-4,207.83

Finding the Fourth Proportional to 7,564.68, 10,439.46 and 4,207.83

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Solution

The fourth proportional to 7,564.68, 10,439.46 and 4,207.83 is: 5,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.68 : 10,439.46 = 4,207.83 : x
  2. Step 2: Convert to fraction form
    7,564.68/10,439.46 = 4,207.83/x
  3. Step 3: Cross multiply
    7,564.68x = 10,439.46 × 4,207.83
  4. Step 4: Simplify right side
    7,564.68x = 43,927,472.97
  5. Step 5: Solve for x
    x = 43,927,472.97/7,564.68
  6. Step 6: Final answer
    x = 5,806.92

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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.