Home / 4,074.61-5,621.32-2,657.80

Finding the Fourth Proportional to 4,074.61, 5,621.32 and 2,657.80

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Solution

The fourth proportional to 4,074.61, 5,621.32 and 2,657.80 is: 3,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.61 : 5,621.32 = 2,657.80 : x
  2. Step 2: Convert to fraction form
    4,074.61/5,621.32 = 2,657.80/x
  3. Step 3: Cross multiply
    4,074.61x = 5,621.32 × 2,657.80
  4. Step 4: Simplify right side
    4,074.61x = 14,940,350.98
  5. Step 5: Solve for x
    x = 14,940,350.98/4,074.61
  6. Step 6: Final answer
    x = 3,666.69

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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.