Home / 7,974.60-11,005.44-4,437.80

Finding the Fourth Proportional to 7,974.60, 11,005.44 and 4,437.80

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Solution

The fourth proportional to 7,974.60, 11,005.44 and 4,437.80 is: 6,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.60 : 11,005.44 = 4,437.80 : x
  2. Step 2: Convert to fraction form
    7,974.60/11,005.44 = 4,437.80/x
  3. Step 3: Cross multiply
    7,974.60x = 11,005.44 × 4,437.80
  4. Step 4: Simplify right side
    7,974.60x = 48,839,941.63
  5. Step 5: Solve for x
    x = 48,839,941.63/7,974.60
  6. Step 6: Final answer
    x = 6,124.44

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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.