Home / 6,886.32-10,330.16-2,205.15

Finding the Fourth Proportional to 6,886.32, 10,330.16 and 2,205.15

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Solution

The fourth proportional to 6,886.32, 10,330.16 and 2,205.15 is: 3,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.32 : 10,330.16 = 2,205.15 : x
  2. Step 2: Convert to fraction form
    6,886.32/10,330.16 = 2,205.15/x
  3. Step 3: Cross multiply
    6,886.32x = 10,330.16 × 2,205.15
  4. Step 4: Simplify right side
    6,886.32x = 22,779,552.32
  5. Step 5: Solve for x
    x = 22,779,552.32/6,886.32
  6. Step 6: Final answer
    x = 3,307.94

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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.