Home / 7,790.31-10,750.63-4,253.52

Finding the Fourth Proportional to 7,790.31, 10,750.63 and 4,253.52

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Solution

The fourth proportional to 7,790.31, 10,750.63 and 4,253.52 is: 5,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.31 : 10,750.63 = 4,253.52 : x
  2. Step 2: Convert to fraction form
    7,790.31/10,750.63 = 4,253.52/x
  3. Step 3: Cross multiply
    7,790.31x = 10,750.63 × 4,253.52
  4. Step 4: Simplify right side
    7,790.31x = 45,727,998.45
  5. Step 5: Solve for x
    x = 45,727,998.45/7,790.31
  6. Step 6: Final answer
    x = 5,869.86

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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.