Home / 7,925.40-11,888.89-2,731.26

Finding the Fourth Proportional to 7,925.40, 11,888.89 and 2,731.26

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Solution

The fourth proportional to 7,925.40, 11,888.89 and 2,731.26 is: 4,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.40 : 11,888.89 = 2,731.26 : x
  2. Step 2: Convert to fraction form
    7,925.40/11,888.89 = 2,731.26/x
  3. Step 3: Cross multiply
    7,925.40x = 11,888.89 × 2,731.26
  4. Step 4: Simplify right side
    7,925.40x = 32,471,649.70
  5. Step 5: Solve for x
    x = 32,471,649.70/7,925.40
  6. Step 6: Final answer
    x = 4,097.16

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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.