Home / 4,809.10-7,212.98-1,889.46

Finding the Fourth Proportional to 4,809.10, 7,212.98 and 1,889.46

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Solution

The fourth proportional to 4,809.10, 7,212.98 and 1,889.46 is: 2,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.10 : 7,212.98 = 1,889.46 : x
  2. Step 2: Convert to fraction form
    4,809.10/7,212.98 = 1,889.46/x
  3. Step 3: Cross multiply
    4,809.10x = 7,212.98 × 1,889.46
  4. Step 4: Simplify right side
    4,809.10x = 13,628,637.19
  5. Step 5: Solve for x
    x = 13,628,637.19/4,809.10
  6. Step 6: Final answer
    x = 2,833.93

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Double scale
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Similar ratio
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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.