Home / 5,330.78-7,995.06-1,818.87

Finding the Fourth Proportional to 5,330.78, 7,995.06 and 1,818.87

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Solution

The fourth proportional to 5,330.78, 7,995.06 and 1,818.87 is: 2,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.78 : 7,995.06 = 1,818.87 : x
  2. Step 2: Convert to fraction form
    5,330.78/7,995.06 = 1,818.87/x
  3. Step 3: Cross multiply
    5,330.78x = 7,995.06 × 1,818.87
  4. Step 4: Simplify right side
    5,330.78x = 14,541,974.78
  5. Step 5: Solve for x
    x = 14,541,974.78/5,330.78
  6. Step 6: Final answer
    x = 2,727.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.