Home / 4,686.30-7,025.76-3,221.10

Finding the Fourth Proportional to 4,686.30, 7,025.76 and 3,221.10

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Solution

The fourth proportional to 4,686.30, 7,025.76 and 3,221.10 is: 4,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.30 : 7,025.76 = 3,221.10 : x
  2. Step 2: Convert to fraction form
    4,686.30/7,025.76 = 3,221.10/x
  3. Step 3: Cross multiply
    4,686.30x = 7,025.76 × 3,221.10
  4. Step 4: Simplify right side
    4,686.30x = 22,630,675.54
  5. Step 5: Solve for x
    x = 22,630,675.54/4,686.30
  6. Step 6: Final answer
    x = 4,829.11

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1.5x scale

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.