Home / 7,944.48-10,959.84-5,149.44

Finding the Fourth Proportional to 7,944.48, 10,959.84 and 5,149.44

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Solution

The fourth proportional to 7,944.48, 10,959.84 and 5,149.44 is: 7,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.48 : 10,959.84 = 5,149.44 : x
  2. Step 2: Convert to fraction form
    7,944.48/10,959.84 = 5,149.44/x
  3. Step 3: Cross multiply
    7,944.48x = 10,959.84 × 5,149.44
  4. Step 4: Simplify right side
    7,944.48x = 56,437,038.49
  5. Step 5: Solve for x
    x = 56,437,038.49/7,944.48
  6. Step 6: Final answer
    x = 7,103.93

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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.