Home / 7,060.80-10,587.15-2,129.70

Finding the Fourth Proportional to 7,060.80, 10,587.15 and 2,129.70

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Solution

The fourth proportional to 7,060.80, 10,587.15 and 2,129.70 is: 3,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.80 : 10,587.15 = 2,129.70 : x
  2. Step 2: Convert to fraction form
    7,060.80/10,587.15 = 2,129.70/x
  3. Step 3: Cross multiply
    7,060.80x = 10,587.15 × 2,129.70
  4. Step 4: Simplify right side
    7,060.80x = 22,547,453.36
  5. Step 5: Solve for x
    x = 22,547,453.36/7,060.80
  6. Step 6: Final answer
    x = 3,193.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.