Home / 7,977.27-11,008.47-4,440.54

Finding the Fourth Proportional to 7,977.27, 11,008.47 and 4,440.54

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Solution

The fourth proportional to 7,977.27, 11,008.47 and 4,440.54 is: 6,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.27 : 11,008.47 = 4,440.54 : x
  2. Step 2: Convert to fraction form
    7,977.27/11,008.47 = 4,440.54/x
  3. Step 3: Cross multiply
    7,977.27x = 11,008.47 × 4,440.54
  4. Step 4: Simplify right side
    7,977.27x = 48,883,551.37
  5. Step 5: Solve for x
    x = 48,883,551.37/7,977.27
  6. Step 6: Final answer
    x = 6,127.85

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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.