Home / 7,564.70-10,439.19-4,207.50

Finding the Fourth Proportional to 7,564.70, 10,439.19 and 4,207.50

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Solution

The fourth proportional to 7,564.70, 10,439.19 and 4,207.50 is: 5,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.70 : 10,439.19 = 4,207.50 : x
  2. Step 2: Convert to fraction form
    7,564.70/10,439.19 = 4,207.50/x
  3. Step 3: Cross multiply
    7,564.70x = 10,439.19 × 4,207.50
  4. Step 4: Simplify right side
    7,564.70x = 43,922,891.93
  5. Step 5: Solve for x
    x = 43,922,891.93/7,564.70
  6. Step 6: Final answer
    x = 5,806.30

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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.