Home / 6,678.34-10,011.18-2,978.53

Finding the Fourth Proportional to 6,678.34, 10,011.18 and 2,978.53

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Solution

The fourth proportional to 6,678.34, 10,011.18 and 2,978.53 is: 4,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.34 : 10,011.18 = 2,978.53 : x
  2. Step 2: Convert to fraction form
    6,678.34/10,011.18 = 2,978.53/x
  3. Step 3: Cross multiply
    6,678.34x = 10,011.18 × 2,978.53
  4. Step 4: Simplify right side
    6,678.34x = 29,818,599.97
  5. Step 5: Solve for x
    x = 29,818,599.97/6,678.34
  6. Step 6: Final answer
    x = 4,464.97

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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.