Home / 5,395.58-8,091.24-2,621.43

Finding the Fourth Proportional to 5,395.58, 8,091.24 and 2,621.43

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Solution

The fourth proportional to 5,395.58, 8,091.24 and 2,621.43 is: 3,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.58 : 8,091.24 = 2,621.43 : x
  2. Step 2: Convert to fraction form
    5,395.58/8,091.24 = 2,621.43/x
  3. Step 3: Cross multiply
    5,395.58x = 8,091.24 × 2,621.43
  4. Step 4: Simplify right side
    5,395.58x = 21,210,565.71
  5. Step 5: Solve for x
    x = 21,210,565.71/5,395.58
  6. Step 6: Final answer
    x = 3,931.10

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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.