Home / 7,785.14-10,743.76-4,248.55

Finding the Fourth Proportional to 7,785.14, 10,743.76 and 4,248.55

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Solution

The fourth proportional to 7,785.14, 10,743.76 and 4,248.55 is: 5,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.14 : 10,743.76 = 4,248.55 : x
  2. Step 2: Convert to fraction form
    7,785.14/10,743.76 = 4,248.55/x
  3. Step 3: Cross multiply
    7,785.14x = 10,743.76 × 4,248.55
  4. Step 4: Simplify right side
    7,785.14x = 45,645,364.07
  5. Step 5: Solve for x
    x = 45,645,364.07/7,785.14
  6. Step 6: Final answer
    x = 5,863.14

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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.