Home / 6,655.84-9,980.80-2,037.76

Finding the Fourth Proportional to 6,655.84, 9,980.80 and 2,037.76

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Solution

The fourth proportional to 6,655.84, 9,980.80 and 2,037.76 is: 3,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.84 : 9,980.80 = 2,037.76 : x
  2. Step 2: Convert to fraction form
    6,655.84/9,980.80 = 2,037.76/x
  3. Step 3: Cross multiply
    6,655.84x = 9,980.80 × 2,037.76
  4. Step 4: Simplify right side
    6,655.84x = 20,338,475.01
  5. Step 5: Solve for x
    x = 20,338,475.01/6,655.84
  6. Step 6: Final answer
    x = 3,055.73

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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.