Home / 4,303.68-6,449.12-2,109.92

Finding the Fourth Proportional to 4,303.68, 6,449.12 and 2,109.92

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Solution

The fourth proportional to 4,303.68, 6,449.12 and 2,109.92 is: 3,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.68 : 6,449.12 = 2,109.92 : x
  2. Step 2: Convert to fraction form
    4,303.68/6,449.12 = 2,109.92/x
  3. Step 3: Cross multiply
    4,303.68x = 6,449.12 × 2,109.92
  4. Step 4: Simplify right side
    4,303.68x = 13,607,127.27
  5. Step 5: Solve for x
    x = 13,607,127.27/4,303.68
  6. Step 6: Final answer
    x = 3,161.74

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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.