Home / 7,917.41-10,926-4,380.62

Finding the Fourth Proportional to 7,917.41, 10,926 and 4,380.62

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Solution

The fourth proportional to 7,917.41, 10,926 and 4,380.62 is: 6,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.41 : 10,926 = 4,380.62 : x
  2. Step 2: Convert to fraction form
    7,917.41/10,926 = 4,380.62/x
  3. Step 3: Cross multiply
    7,917.41x = 10,926 × 4,380.62
  4. Step 4: Simplify right side
    7,917.41x = 47,862,599.49
  5. Step 5: Solve for x
    x = 47,862,599.49/7,917.41
  6. Step 6: Final answer
    x = 6,045.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.