Home / 5,098.55-7,646.40-1,977.95

Finding the Fourth Proportional to 5,098.55, 7,646.40 and 1,977.95

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Solution

The fourth proportional to 5,098.55, 7,646.40 and 1,977.95 is: 2,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.55 : 7,646.40 = 1,977.95 : x
  2. Step 2: Convert to fraction form
    5,098.55/7,646.40 = 1,977.95/x
  3. Step 3: Cross multiply
    5,098.55x = 7,646.40 × 1,977.95
  4. Step 4: Simplify right side
    5,098.55x = 15,124,216.00
  5. Step 5: Solve for x
    x = 15,124,216.00/5,098.55
  6. Step 6: Final answer
    x = 2,966.38

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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.