Home / 7,717.09-11,575.55-1,873.70

Finding the Fourth Proportional to 7,717.09, 11,575.55 and 1,873.70

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Solution

The fourth proportional to 7,717.09, 11,575.55 and 1,873.70 is: 2,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.09 : 11,575.55 = 1,873.70 : x
  2. Step 2: Convert to fraction form
    7,717.09/11,575.55 = 1,873.70/x
  3. Step 3: Cross multiply
    7,717.09x = 11,575.55 × 1,873.70
  4. Step 4: Simplify right side
    7,717.09x = 21,689,108.04
  5. Step 5: Solve for x
    x = 21,689,108.04/7,717.09
  6. Step 6: Final answer
    x = 2,810.53

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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.