Home / 7,818.34-10,789.32-4,281.76

Finding the Fourth Proportional to 7,818.34, 10,789.32 and 4,281.76

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Solution

The fourth proportional to 7,818.34, 10,789.32 and 4,281.76 is: 5,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.34 : 10,789.32 = 4,281.76 : x
  2. Step 2: Convert to fraction form
    7,818.34/10,789.32 = 4,281.76/x
  3. Step 3: Cross multiply
    7,818.34x = 10,789.32 × 4,281.76
  4. Step 4: Simplify right side
    7,818.34x = 46,197,278.80
  5. Step 5: Solve for x
    x = 46,197,278.80/7,818.34
  6. Step 6: Final answer
    x = 5,908.83

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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.