Home / 9,478.32-13,080.69-6,286.02

Finding the Fourth Proportional to 9,478.32, 13,080.69 and 6,286.02

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Solution

The fourth proportional to 9,478.32, 13,080.69 and 6,286.02 is: 8,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.32 : 13,080.69 = 6,286.02 : x
  2. Step 2: Convert to fraction form
    9,478.32/13,080.69 = 6,286.02/x
  3. Step 3: Cross multiply
    9,478.32x = 13,080.69 × 6,286.02
  4. Step 4: Simplify right side
    9,478.32x = 82,225,478.95
  5. Step 5: Solve for x
    x = 82,225,478.95/9,478.32
  6. Step 6: Final answer
    x = 8,675.11

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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.