Home / 8,730.38-12,047.76-4,751.43

Finding the Fourth Proportional to 8,730.38, 12,047.76 and 4,751.43

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Solution

The fourth proportional to 8,730.38, 12,047.76 and 4,751.43 is: 6,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.38 : 12,047.76 = 4,751.43 : x
  2. Step 2: Convert to fraction form
    8,730.38/12,047.76 = 4,751.43/x
  3. Step 3: Cross multiply
    8,730.38x = 12,047.76 × 4,751.43
  4. Step 4: Simplify right side
    8,730.38x = 57,244,088.30
  5. Step 5: Solve for x
    x = 57,244,088.30/8,730.38
  6. Step 6: Final answer
    x = 6,556.89

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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.