Home / 7,977.93-10,998.13-5,612.73

Finding the Fourth Proportional to 7,977.93, 10,998.13 and 5,612.73

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Solution

The fourth proportional to 7,977.93, 10,998.13 and 5,612.73 is: 7,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.93 : 10,998.13 = 5,612.73 : x
  2. Step 2: Convert to fraction form
    7,977.93/10,998.13 = 5,612.73/x
  3. Step 3: Cross multiply
    7,977.93x = 10,998.13 × 5,612.73
  4. Step 4: Simplify right side
    7,977.93x = 61,729,534.19
  5. Step 5: Solve for x
    x = 61,729,534.19/7,977.93
  6. Step 6: Final answer
    x = 7,737.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.