Home / 8,045.88-12,070.40-3,888.76

Finding the Fourth Proportional to 8,045.88, 12,070.40 and 3,888.76

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Solution

The fourth proportional to 8,045.88, 12,070.40 and 3,888.76 is: 5,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.88 : 12,070.40 = 3,888.76 : x
  2. Step 2: Convert to fraction form
    8,045.88/12,070.40 = 3,888.76/x
  3. Step 3: Cross multiply
    8,045.88x = 12,070.40 × 3,888.76
  4. Step 4: Simplify right side
    8,045.88x = 46,938,888.70
  5. Step 5: Solve for x
    x = 46,938,888.70/8,045.88
  6. Step 6: Final answer
    x = 5,833.90

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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.