Home / 5,264.48-7,898.10-1,977.62

Finding the Fourth Proportional to 5,264.48, 7,898.10 and 1,977.62

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Solution

The fourth proportional to 5,264.48, 7,898.10 and 1,977.62 is: 2,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.48 : 7,898.10 = 1,977.62 : x
  2. Step 2: Convert to fraction form
    5,264.48/7,898.10 = 1,977.62/x
  3. Step 3: Cross multiply
    5,264.48x = 7,898.10 × 1,977.62
  4. Step 4: Simplify right side
    5,264.48x = 15,619,440.52
  5. Step 5: Solve for x
    x = 15,619,440.52/5,264.48
  6. Step 6: Final answer
    x = 2,966.95

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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.