Home / 9,870.11-14,794.82-4,600.78

Finding the Fourth Proportional to 9,870.11, 14,794.82 and 4,600.78

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Solution

The fourth proportional to 9,870.11, 14,794.82 and 4,600.78 is: 6,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870.11 : 14,794.82 = 4,600.78 : x
  2. Step 2: Convert to fraction form
    9,870.11/14,794.82 = 4,600.78/x
  3. Step 3: Cross multiply
    9,870.11x = 14,794.82 × 4,600.78
  4. Step 4: Simplify right side
    9,870.11x = 68,067,711.96
  5. Step 5: Solve for x
    x = 68,067,711.96/9,870.11
  6. Step 6: Final answer
    x = 6,896.35

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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.