Home / 4,917.51-7,377.21-1,630.80

Finding the Fourth Proportional to 4,917.51, 7,377.21 and 1,630.80

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Solution

The fourth proportional to 4,917.51, 7,377.21 and 1,630.80 is: 2,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.51 : 7,377.21 = 1,630.80 : x
  2. Step 2: Convert to fraction form
    4,917.51/7,377.21 = 1,630.80/x
  3. Step 3: Cross multiply
    4,917.51x = 7,377.21 × 1,630.80
  4. Step 4: Simplify right side
    4,917.51x = 12,030,754.07
  5. Step 5: Solve for x
    x = 12,030,754.07/4,917.51
  6. Step 6: Final answer
    x = 2,446.51

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Double scale
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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.