Home / 7,818.64-10,789.66-4,281.84

Finding the Fourth Proportional to 7,818.64, 10,789.66 and 4,281.84

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Solution

The fourth proportional to 7,818.64, 10,789.66 and 4,281.84 is: 5,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.64 : 10,789.66 = 4,281.84 : x
  2. Step 2: Convert to fraction form
    7,818.64/10,789.66 = 4,281.84/x
  3. Step 3: Cross multiply
    7,818.64x = 10,789.66 × 4,281.84
  4. Step 4: Simplify right side
    7,818.64x = 46,199,597.77
  5. Step 5: Solve for x
    x = 46,199,597.77/7,818.64
  6. Step 6: Final answer
    x = 5,908.90

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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.