Home / 7,743.74-10,686.57-4,207.19

Finding the Fourth Proportional to 7,743.74, 10,686.57 and 4,207.19

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Solution

The fourth proportional to 7,743.74, 10,686.57 and 4,207.19 is: 5,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.74 : 10,686.57 = 4,207.19 : x
  2. Step 2: Convert to fraction form
    7,743.74/10,686.57 = 4,207.19/x
  3. Step 3: Cross multiply
    7,743.74x = 10,686.57 × 4,207.19
  4. Step 4: Simplify right side
    7,743.74x = 44,960,430.44
  5. Step 5: Solve for x
    x = 44,960,430.44/7,743.74
  6. Step 6: Final answer
    x = 5,806.04

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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.