Home / 7,790.25-10,750.40-4,253.49

Finding the Fourth Proportional to 7,790.25, 10,750.40 and 4,253.49

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Solution

The fourth proportional to 7,790.25, 10,750.40 and 4,253.49 is: 5,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.25 : 10,750.40 = 4,253.49 : x
  2. Step 2: Convert to fraction form
    7,790.25/10,750.40 = 4,253.49/x
  3. Step 3: Cross multiply
    7,790.25x = 10,750.40 × 4,253.49
  4. Step 4: Simplify right side
    7,790.25x = 45,726,718.90
  5. Step 5: Solve for x
    x = 45,726,718.90/7,790.25
  6. Step 6: Final answer
    x = 5,869.74

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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.