Home / 7,914.11-10,920.17-4,376.63

Finding the Fourth Proportional to 7,914.11, 10,920.17 and 4,376.63

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Solution

The fourth proportional to 7,914.11, 10,920.17 and 4,376.63 is: 6,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.11 : 10,920.17 = 4,376.63 : x
  2. Step 2: Convert to fraction form
    7,914.11/10,920.17 = 4,376.63/x
  3. Step 3: Cross multiply
    7,914.11x = 10,920.17 × 4,376.63
  4. Step 4: Simplify right side
    7,914.11x = 47,793,467.14
  5. Step 5: Solve for x
    x = 47,793,467.14/7,914.11
  6. Step 6: Final answer
    x = 6,039.02

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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.