Home / 8,322.95-12,483.05-2,478.19

Finding the Fourth Proportional to 8,322.95, 12,483.05 and 2,478.19

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Solution

The fourth proportional to 8,322.95, 12,483.05 and 2,478.19 is: 3,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.95 : 12,483.05 = 2,478.19 : x
  2. Step 2: Convert to fraction form
    8,322.95/12,483.05 = 2,478.19/x
  3. Step 3: Cross multiply
    8,322.95x = 12,483.05 × 2,478.19
  4. Step 4: Simplify right side
    8,322.95x = 30,935,326.08
  5. Step 5: Solve for x
    x = 30,935,326.08/8,322.95
  6. Step 6: Final answer
    x = 3,716.87

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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.