Home / 9,403.60-12,977.27-5,154.95

Finding the Fourth Proportional to 9,403.60, 12,977.27 and 5,154.95

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Solution

The fourth proportional to 9,403.60, 12,977.27 and 5,154.95 is: 7,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.60 : 12,977.27 = 5,154.95 : x
  2. Step 2: Convert to fraction form
    9,403.60/12,977.27 = 5,154.95/x
  3. Step 3: Cross multiply
    9,403.60x = 12,977.27 × 5,154.95
  4. Step 4: Simplify right side
    9,403.60x = 66,897,177.99
  5. Step 5: Solve for x
    x = 66,897,177.99/9,403.60
  6. Step 6: Final answer
    x = 7,114.00

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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.