Home / 7,665.74-10,578.36-4,686.56

Finding the Fourth Proportional to 7,665.74, 10,578.36 and 4,686.56

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Solution

The fourth proportional to 7,665.74, 10,578.36 and 4,686.56 is: 6,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.74 : 10,578.36 = 4,686.56 : x
  2. Step 2: Convert to fraction form
    7,665.74/10,578.36 = 4,686.56/x
  3. Step 3: Cross multiply
    7,665.74x = 10,578.36 × 4,686.56
  4. Step 4: Simplify right side
    7,665.74x = 49,576,118.84
  5. Step 5: Solve for x
    x = 49,576,118.84/7,665.74
  6. Step 6: Final answer
    x = 6,467.23

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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.