Home / 5,521.32-8,281.74-1,361.13

Finding the Fourth Proportional to 5,521.32, 8,281.74 and 1,361.13

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Solution

The fourth proportional to 5,521.32, 8,281.74 and 1,361.13 is: 2,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.32 : 8,281.74 = 1,361.13 : x
  2. Step 2: Convert to fraction form
    5,521.32/8,281.74 = 1,361.13/x
  3. Step 3: Cross multiply
    5,521.32x = 8,281.74 × 1,361.13
  4. Step 4: Simplify right side
    5,521.32x = 11,272,524.77
  5. Step 5: Solve for x
    x = 11,272,524.77/5,521.32
  6. Step 6: Final answer
    x = 2,041.64

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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.