Home / 7,660.80-10,572.31-4,258.18

Finding the Fourth Proportional to 7,660.80, 10,572.31 and 4,258.18

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Solution

The fourth proportional to 7,660.80, 10,572.31 and 4,258.18 is: 5,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.80 : 10,572.31 = 4,258.18 : x
  2. Step 2: Convert to fraction form
    7,660.80/10,572.31 = 4,258.18/x
  3. Step 3: Cross multiply
    7,660.80x = 10,572.31 × 4,258.18
  4. Step 4: Simplify right side
    7,660.80x = 45,018,826.41
  5. Step 5: Solve for x
    x = 45,018,826.41/7,660.80
  6. Step 6: Final answer
    x = 5,876.52

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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.