Home / 5,159.41-7,740.24-2,818.21

Finding the Fourth Proportional to 5,159.41, 7,740.24 and 2,818.21

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Solution

The fourth proportional to 5,159.41, 7,740.24 and 2,818.21 is: 4,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.41 : 7,740.24 = 2,818.21 : x
  2. Step 2: Convert to fraction form
    5,159.41/7,740.24 = 2,818.21/x
  3. Step 3: Cross multiply
    5,159.41x = 7,740.24 × 2,818.21
  4. Step 4: Simplify right side
    5,159.41x = 21,813,621.77
  5. Step 5: Solve for x
    x = 21,813,621.77/5,159.41
  6. Step 6: Final answer
    x = 4,227.93

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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.