Home / 7,818.73-10,785.83-5,232.47

Finding the Fourth Proportional to 7,818.73, 10,785.83 and 5,232.47

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Solution

The fourth proportional to 7,818.73, 10,785.83 and 5,232.47 is: 7,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.73 : 10,785.83 = 5,232.47 : x
  2. Step 2: Convert to fraction form
    7,818.73/10,785.83 = 5,232.47/x
  3. Step 3: Cross multiply
    7,818.73x = 10,785.83 × 5,232.47
  4. Step 4: Simplify right side
    7,818.73x = 56,436,451.81
  5. Step 5: Solve for x
    x = 56,436,451.81/7,818.73
  6. Step 6: Final answer
    x = 7,218.11

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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.