Home / 7,977.10-11,008.92-5,322.82

Finding the Fourth Proportional to 7,977.10, 11,008.92 and 5,322.82

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Solution

The fourth proportional to 7,977.10, 11,008.92 and 5,322.82 is: 7,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.10 : 11,008.92 = 5,322.82 : x
  2. Step 2: Convert to fraction form
    7,977.10/11,008.92 = 5,322.82/x
  3. Step 3: Cross multiply
    7,977.10x = 11,008.92 × 5,322.82
  4. Step 4: Simplify right side
    7,977.10x = 58,598,499.55
  5. Step 5: Solve for x
    x = 58,598,499.55/7,977.10
  6. Step 6: Final answer
    x = 7,345.84

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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.