Home / 6,886.88-10,330.52-1,692.76

Finding the Fourth Proportional to 6,886.88, 10,330.52 and 1,692.76

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Solution

The fourth proportional to 6,886.88, 10,330.52 and 1,692.76 is: 2,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.88 : 10,330.52 = 1,692.76 : x
  2. Step 2: Convert to fraction form
    6,886.88/10,330.52 = 1,692.76/x
  3. Step 3: Cross multiply
    6,886.88x = 10,330.52 × 1,692.76
  4. Step 4: Simplify right side
    6,886.88x = 17,487,091.04
  5. Step 5: Solve for x
    x = 17,487,091.04/6,886.88
  6. Step 6: Final answer
    x = 2,539.19

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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.