Home / 7,122.29-10,682.16-1,926.95

Finding the Fourth Proportional to 7,122.29, 10,682.16 and 1,926.95

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Solution

The fourth proportional to 7,122.29, 10,682.16 and 1,926.95 is: 2,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.29 : 10,682.16 = 1,926.95 : x
  2. Step 2: Convert to fraction form
    7,122.29/10,682.16 = 1,926.95/x
  3. Step 3: Cross multiply
    7,122.29x = 10,682.16 × 1,926.95
  4. Step 4: Simplify right side
    7,122.29x = 20,583,934.80
  5. Step 5: Solve for x
    x = 20,583,934.80/7,122.29
  6. Step 6: Final answer
    x = 2,890.07

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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.