Home / 7,977.23-11,009.60-4,575.56

Finding the Fourth Proportional to 7,977.23, 11,009.60 and 4,575.56

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Solution

The fourth proportional to 7,977.23, 11,009.60 and 4,575.56 is: 6,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.23 : 11,009.60 = 4,575.56 : x
  2. Step 2: Convert to fraction form
    7,977.23/11,009.60 = 4,575.56/x
  3. Step 3: Cross multiply
    7,977.23x = 11,009.60 × 4,575.56
  4. Step 4: Simplify right side
    7,977.23x = 50,375,139.80
  5. Step 5: Solve for x
    x = 50,375,139.80/7,977.23
  6. Step 6: Final answer
    x = 6,314.87

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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.