Home / 8,730.31-12,047.46-4,751.42

Finding the Fourth Proportional to 8,730.31, 12,047.46 and 4,751.42

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Solution

The fourth proportional to 8,730.31, 12,047.46 and 4,751.42 is: 6,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.31 : 12,047.46 = 4,751.42 : x
  2. Step 2: Convert to fraction form
    8,730.31/12,047.46 = 4,751.42/x
  3. Step 3: Cross multiply
    8,730.31x = 12,047.46 × 4,751.42
  4. Step 4: Simplify right side
    8,730.31x = 57,242,542.39
  5. Step 5: Solve for x
    x = 57,242,542.39/8,730.31
  6. Step 6: Final answer
    x = 6,556.76

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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.