Home / 5,330.43-7,995.66-1,866.87

Finding the Fourth Proportional to 5,330.43, 7,995.66 and 1,866.87

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Solution

The fourth proportional to 5,330.43, 7,995.66 and 1,866.87 is: 2,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.43 : 7,995.66 = 1,866.87 : x
  2. Step 2: Convert to fraction form
    5,330.43/7,995.66 = 1,866.87/x
  3. Step 3: Cross multiply
    5,330.43x = 7,995.66 × 1,866.87
  4. Step 4: Simplify right side
    5,330.43x = 14,926,857.78
  5. Step 5: Solve for x
    x = 14,926,857.78/5,330.43
  6. Step 6: Final answer
    x = 2,800.31

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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.