Home / 4,809.87-7,217.37-1,888.20

Finding the Fourth Proportional to 4,809.87, 7,217.37 and 1,888.20

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Solution

The fourth proportional to 4,809.87, 7,217.37 and 1,888.20 is: 2,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.87 : 7,217.37 = 1,888.20 : x
  2. Step 2: Convert to fraction form
    4,809.87/7,217.37 = 1,888.20/x
  3. Step 3: Cross multiply
    4,809.87x = 7,217.37 × 1,888.20
  4. Step 4: Simplify right side
    4,809.87x = 13,627,838.03
  5. Step 5: Solve for x
    x = 13,627,838.03/4,809.87
  6. Step 6: Final answer
    x = 2,833.31

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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.