Home / 9,097.20-13,645.80-2,857.32

Finding the Fourth Proportional to 9,097.20, 13,645.80 and 2,857.32

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Solution

The fourth proportional to 9,097.20, 13,645.80 and 2,857.32 is: 4,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.20 : 13,645.80 = 2,857.32 : x
  2. Step 2: Convert to fraction form
    9,097.20/13,645.80 = 2,857.32/x
  3. Step 3: Cross multiply
    9,097.20x = 13,645.80 × 2,857.32
  4. Step 4: Simplify right side
    9,097.20x = 38,990,417.26
  5. Step 5: Solve for x
    x = 38,990,417.26/9,097.20
  6. Step 6: Final answer
    x = 4,285.98

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1.5x scale

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.