Home / 7,785.09-10,743.50-4,248.36

Finding the Fourth Proportional to 7,785.09, 10,743.50 and 4,248.36

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Solution

The fourth proportional to 7,785.09, 10,743.50 and 4,248.36 is: 5,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.09 : 10,743.50 = 4,248.36 : x
  2. Step 2: Convert to fraction form
    7,785.09/10,743.50 = 4,248.36/x
  3. Step 3: Cross multiply
    7,785.09x = 10,743.50 × 4,248.36
  4. Step 4: Simplify right side
    7,785.09x = 45,642,266.28
  5. Step 5: Solve for x
    x = 45,642,266.28/7,785.09
  6. Step 6: Final answer
    x = 5,862.78

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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.