Home / 6,988.92-10,482.40-2,605.80

Finding the Fourth Proportional to 6,988.92, 10,482.40 and 2,605.80

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Solution

The fourth proportional to 6,988.92, 10,482.40 and 2,605.80 is: 3,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.92 : 10,482.40 = 2,605.80 : x
  2. Step 2: Convert to fraction form
    6,988.92/10,482.40 = 2,605.80/x
  3. Step 3: Cross multiply
    6,988.92x = 10,482.40 × 2,605.80
  4. Step 4: Simplify right side
    6,988.92x = 27,315,037.92
  5. Step 5: Solve for x
    x = 27,315,037.92/6,988.92
  6. Step 6: Final answer
    x = 3,908.33

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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.