Home / 7,518.24-11,267.28-4,230

Finding the Fourth Proportional to 7,518.24, 11,267.28 and 4,230

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Solution

The fourth proportional to 7,518.24, 11,267.28 and 4,230 is: 6,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.24 : 11,267.28 = 4,230 : x
  2. Step 2: Convert to fraction form
    7,518.24/11,267.28 = 4,230/x
  3. Step 3: Cross multiply
    7,518.24x = 11,267.28 × 4,230
  4. Step 4: Simplify right side
    7,518.24x = 47,660,594.40
  5. Step 5: Solve for x
    x = 47,660,594.40/7,518.24
  6. Step 6: Final answer
    x = 6,339.33

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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.