Home / 9,132.52-13,698.78-2,977

Finding the Fourth Proportional to 9,132.52, 13,698.78 and 2,977

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Solution

The fourth proportional to 9,132.52, 13,698.78 and 2,977 is: 4,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.52 : 13,698.78 = 2,977 : x
  2. Step 2: Convert to fraction form
    9,132.52/13,698.78 = 2,977/x
  3. Step 3: Cross multiply
    9,132.52x = 13,698.78 × 2,977
  4. Step 4: Simplify right side
    9,132.52x = 40,781,268.06
  5. Step 5: Solve for x
    x = 40,781,268.06/9,132.52
  6. Step 6: Final answer
    x = 4,465.50

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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.