Home / 7,818.71-10,790.84-4,460.75

Finding the Fourth Proportional to 7,818.71, 10,790.84 and 4,460.75

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Solution

The fourth proportional to 7,818.71, 10,790.84 and 4,460.75 is: 6,156.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.71 : 10,790.84 = 4,460.75 : x
  2. Step 2: Convert to fraction form
    7,818.71/10,790.84 = 4,460.75/x
  3. Step 3: Cross multiply
    7,818.71x = 10,790.84 × 4,460.75
  4. Step 4: Simplify right side
    7,818.71x = 48,135,163.27
  5. Step 5: Solve for x
    x = 48,135,163.27/7,818.71
  6. Step 6: Final answer
    x = 6,156.41

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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.