Home / 7,743.60-10,686.18-4,206.76

Finding the Fourth Proportional to 7,743.60, 10,686.18 and 4,206.76

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Solution

The fourth proportional to 7,743.60, 10,686.18 and 4,206.76 is: 5,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.60 : 10,686.18 = 4,206.76 : x
  2. Step 2: Convert to fraction form
    7,743.60/10,686.18 = 4,206.76/x
  3. Step 3: Cross multiply
    7,743.60x = 10,686.18 × 4,206.76
  4. Step 4: Simplify right side
    7,743.60x = 44,954,194.58
  5. Step 5: Solve for x
    x = 44,954,194.58/7,743.60
  6. Step 6: Final answer
    x = 5,805.34

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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.