Home / 6,988.32-10,476.72-3,288.64

Finding the Fourth Proportional to 6,988.32, 10,476.72 and 3,288.64

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Solution

The fourth proportional to 6,988.32, 10,476.72 and 3,288.64 is: 4,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.32 : 10,476.72 = 3,288.64 : x
  2. Step 2: Convert to fraction form
    6,988.32/10,476.72 = 3,288.64/x
  3. Step 3: Cross multiply
    6,988.32x = 10,476.72 × 3,288.64
  4. Step 4: Simplify right side
    6,988.32x = 34,454,160.46
  5. Step 5: Solve for x
    x = 34,454,160.46/6,988.32
  6. Step 6: Final answer
    x = 4,930.25

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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.