Home / 4,323.60-6,486.30-2,129.76

Finding the Fourth Proportional to 4,323.60, 6,486.30 and 2,129.76

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Solution

The fourth proportional to 4,323.60, 6,486.30 and 2,129.76 is: 3,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.60 : 6,486.30 = 2,129.76 : x
  2. Step 2: Convert to fraction form
    4,323.60/6,486.30 = 2,129.76/x
  3. Step 3: Cross multiply
    4,323.60x = 6,486.30 × 2,129.76
  4. Step 4: Simplify right side
    4,323.60x = 13,814,262.29
  5. Step 5: Solve for x
    x = 13,814,262.29/4,323.60
  6. Step 6: Final answer
    x = 3,195.08

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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.