Home / 4,908.90-7,364.66-1,789.19

Finding the Fourth Proportional to 4,908.90, 7,364.66 and 1,789.19

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Solution

The fourth proportional to 4,908.90, 7,364.66 and 1,789.19 is: 2,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.90 : 7,364.66 = 1,789.19 : x
  2. Step 2: Convert to fraction form
    4,908.90/7,364.66 = 1,789.19/x
  3. Step 3: Cross multiply
    4,908.90x = 7,364.66 × 1,789.19
  4. Step 4: Simplify right side
    4,908.90x = 13,176,730.26
  5. Step 5: Solve for x
    x = 13,176,730.26/4,908.90
  6. Step 6: Final answer
    x = 2,684.25

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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.