Home / 7,767.36-10,718.82-4,230.54

Finding the Fourth Proportional to 7,767.36, 10,718.82 and 4,230.54

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Solution

The fourth proportional to 7,767.36, 10,718.82 and 4,230.54 is: 5,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.36 : 10,718.82 = 4,230.54 : x
  2. Step 2: Convert to fraction form
    7,767.36/10,718.82 = 4,230.54/x
  3. Step 3: Cross multiply
    7,767.36x = 10,718.82 × 4,230.54
  4. Step 4: Simplify right side
    7,767.36x = 45,346,396.76
  5. Step 5: Solve for x
    x = 45,346,396.76/7,767.36
  6. Step 6: Final answer
    x = 5,838.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.