Home / 8,730.10-12,047.54-4,751.12

Finding the Fourth Proportional to 8,730.10, 12,047.54 and 4,751.12

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Solution

The fourth proportional to 8,730.10, 12,047.54 and 4,751.12 is: 6,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.10 : 12,047.54 = 4,751.12 : x
  2. Step 2: Convert to fraction form
    8,730.10/12,047.54 = 4,751.12/x
  3. Step 3: Cross multiply
    8,730.10x = 12,047.54 × 4,751.12
  4. Step 4: Simplify right side
    8,730.10x = 57,239,314.61
  5. Step 5: Solve for x
    x = 57,239,314.61/8,730.10
  6. Step 6: Final answer
    x = 6,556.55

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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.