Home / 7,483.20-11,207.52-4,879.68

Finding the Fourth Proportional to 7,483.20, 11,207.52 and 4,879.68

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Solution

The fourth proportional to 7,483.20, 11,207.52 and 4,879.68 is: 7,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.20 : 11,207.52 = 4,879.68 : x
  2. Step 2: Convert to fraction form
    7,483.20/11,207.52 = 4,879.68/x
  3. Step 3: Cross multiply
    7,483.20x = 11,207.52 × 4,879.68
  4. Step 4: Simplify right side
    7,483.20x = 54,689,111.19
  5. Step 5: Solve for x
    x = 54,689,111.19/7,483.20
  6. Step 6: Final answer
    x = 7,308.25

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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.