Home / 7,427.60-11,119.52-5,488.48

Finding the Fourth Proportional to 7,427.60, 11,119.52 and 5,488.48

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Solution

The fourth proportional to 7,427.60, 11,119.52 and 5,488.48 is: 8,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.60 : 11,119.52 = 5,488.48 : x
  2. Step 2: Convert to fraction form
    7,427.60/11,119.52 = 5,488.48/x
  3. Step 3: Cross multiply
    7,427.60x = 11,119.52 × 5,488.48
  4. Step 4: Simplify right side
    7,427.60x = 61,029,263.13
  5. Step 5: Solve for x
    x = 61,029,263.13/7,427.60
  6. Step 6: Final answer
    x = 8,216.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.