Home / 7,154.61-9,881.44-4,882.05

Finding the Fourth Proportional to 7,154.61, 9,881.44 and 4,882.05

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Solution

The fourth proportional to 7,154.61, 9,881.44 and 4,882.05 is: 6,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.61 : 9,881.44 = 4,882.05 : x
  2. Step 2: Convert to fraction form
    7,154.61/9,881.44 = 4,882.05/x
  3. Step 3: Cross multiply
    7,154.61x = 9,881.44 × 4,882.05
  4. Step 4: Simplify right side
    7,154.61x = 48,241,684.15
  5. Step 5: Solve for x
    x = 48,241,684.15/7,154.61
  6. Step 6: Final answer
    x = 6,742.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.