Home / 8,730.15-12,047.24-4,751.28

Finding the Fourth Proportional to 8,730.15, 12,047.24 and 4,751.28

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Solution

The fourth proportional to 8,730.15, 12,047.24 and 4,751.28 is: 6,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.15 : 12,047.24 = 4,751.28 : x
  2. Step 2: Convert to fraction form
    8,730.15/12,047.24 = 4,751.28/x
  3. Step 3: Cross multiply
    8,730.15x = 12,047.24 × 4,751.28
  4. Step 4: Simplify right side
    8,730.15x = 57,239,786.71
  5. Step 5: Solve for x
    x = 57,239,786.71/8,730.15
  6. Step 6: Final answer
    x = 6,556.56

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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.