Home / 7,717.15-11,575.64-1,873.77

Finding the Fourth Proportional to 7,717.15, 11,575.64 and 1,873.77

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Solution

The fourth proportional to 7,717.15, 11,575.64 and 1,873.77 is: 2,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.15 : 11,575.64 = 1,873.77 : x
  2. Step 2: Convert to fraction form
    7,717.15/11,575.64 = 1,873.77/x
  3. Step 3: Cross multiply
    7,717.15x = 11,575.64 × 1,873.77
  4. Step 4: Simplify right side
    7,717.15x = 21,690,048.24
  5. Step 5: Solve for x
    x = 21,690,048.24/7,717.15
  6. Step 6: Final answer
    x = 2,810.63

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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.