Home / 7,818.28-10,788.22-4,460.90

Finding the Fourth Proportional to 7,818.28, 10,788.22 and 4,460.90

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Solution

The fourth proportional to 7,818.28, 10,788.22 and 4,460.90 is: 6,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.28 : 10,788.22 = 4,460.90 : x
  2. Step 2: Convert to fraction form
    7,818.28/10,788.22 = 4,460.90/x
  3. Step 3: Cross multiply
    7,818.28x = 10,788.22 × 4,460.90
  4. Step 4: Simplify right side
    7,818.28x = 48,125,170.60
  5. Step 5: Solve for x
    x = 48,125,170.60/7,818.28
  6. Step 6: Final answer
    x = 6,155.47

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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.