Home / 5,347.91-8,022.62-1,838.79

Finding the Fourth Proportional to 5,347.91, 8,022.62 and 1,838.79

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Solution

The fourth proportional to 5,347.91, 8,022.62 and 1,838.79 is: 2,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.91 : 8,022.62 = 1,838.79 : x
  2. Step 2: Convert to fraction form
    5,347.91/8,022.62 = 1,838.79/x
  3. Step 3: Cross multiply
    5,347.91x = 8,022.62 × 1,838.79
  4. Step 4: Simplify right side
    5,347.91x = 14,751,904.24
  5. Step 5: Solve for x
    x = 14,751,904.24/5,347.91
  6. Step 6: Final answer
    x = 2,758.45

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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.