Home / 4,420.66-6,629.84-2,859.46

Finding the Fourth Proportional to 4,420.66, 6,629.84 and 2,859.46

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Solution

The fourth proportional to 4,420.66, 6,629.84 and 2,859.46 is: 4,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.66 : 6,629.84 = 2,859.46 : x
  2. Step 2: Convert to fraction form
    4,420.66/6,629.84 = 2,859.46/x
  3. Step 3: Cross multiply
    4,420.66x = 6,629.84 × 2,859.46
  4. Step 4: Simplify right side
    4,420.66x = 18,957,762.29
  5. Step 5: Solve for x
    x = 18,957,762.29/4,420.66
  6. Step 6: Final answer
    x = 4,288.45

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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.