Home / 5,298.78-7,941.65-2,176.84

Finding the Fourth Proportional to 5,298.78, 7,941.65 and 2,176.84

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Solution

The fourth proportional to 5,298.78, 7,941.65 and 2,176.84 is: 3,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.78 : 7,941.65 = 2,176.84 : x
  2. Step 2: Convert to fraction form
    5,298.78/7,941.65 = 2,176.84/x
  3. Step 3: Cross multiply
    5,298.78x = 7,941.65 × 2,176.84
  4. Step 4: Simplify right side
    5,298.78x = 17,287,700.43
  5. Step 5: Solve for x
    x = 17,287,700.43/5,298.78
  6. Step 6: Final answer
    x = 3,262.58

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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.