Home / 7,438.35-10,264.71-4,207.83

Finding the Fourth Proportional to 7,438.35, 10,264.71 and 4,207.83

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Solution

The fourth proportional to 7,438.35, 10,264.71 and 4,207.83 is: 5,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.35 : 10,264.71 = 4,207.83 : x
  2. Step 2: Convert to fraction form
    7,438.35/10,264.71 = 4,207.83/x
  3. Step 3: Cross multiply
    7,438.35x = 10,264.71 × 4,207.83
  4. Step 4: Simplify right side
    7,438.35x = 43,192,154.68
  5. Step 5: Solve for x
    x = 43,192,154.68/7,438.35
  6. Step 6: Final answer
    x = 5,806.68

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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.