Home / 5,854.69-8,785.49-2,159.51

Finding the Fourth Proportional to 5,854.69, 8,785.49 and 2,159.51

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Solution

The fourth proportional to 5,854.69, 8,785.49 and 2,159.51 is: 3,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.69 : 8,785.49 = 2,159.51 : x
  2. Step 2: Convert to fraction form
    5,854.69/8,785.49 = 2,159.51/x
  3. Step 3: Cross multiply
    5,854.69x = 8,785.49 × 2,159.51
  4. Step 4: Simplify right side
    5,854.69x = 18,972,353.51
  5. Step 5: Solve for x
    x = 18,972,353.51/5,854.69
  6. Step 6: Final answer
    x = 3,240.54

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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.