Home / 7,790.18-10,750.39-4,253.39

Finding the Fourth Proportional to 7,790.18, 10,750.39 and 4,253.39

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Solution

The fourth proportional to 7,790.18, 10,750.39 and 4,253.39 is: 5,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.18 : 10,750.39 = 4,253.39 : x
  2. Step 2: Convert to fraction form
    7,790.18/10,750.39 = 4,253.39/x
  3. Step 3: Cross multiply
    7,790.18x = 10,750.39 × 4,253.39
  4. Step 4: Simplify right side
    7,790.18x = 45,725,601.32
  5. Step 5: Solve for x
    x = 45,725,601.32/7,790.18
  6. Step 6: Final answer
    x = 5,869.65

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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.