Home / 6,666.42-9,988.66-2,281.48

Finding the Fourth Proportional to 6,666.42, 9,988.66 and 2,281.48

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Solution

The fourth proportional to 6,666.42, 9,988.66 and 2,281.48 is: 3,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.42 : 9,988.66 = 2,281.48 : x
  2. Step 2: Convert to fraction form
    6,666.42/9,988.66 = 2,281.48/x
  3. Step 3: Cross multiply
    6,666.42x = 9,988.66 × 2,281.48
  4. Step 4: Simplify right side
    6,666.42x = 22,788,928.02
  5. Step 5: Solve for x
    x = 22,788,928.02/6,666.42
  6. Step 6: Final answer
    x = 3,418.47

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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.