Home / 5,521.05-8,281.58-1,361.13

Finding the Fourth Proportional to 5,521.05, 8,281.58 and 1,361.13

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Solution

The fourth proportional to 5,521.05, 8,281.58 and 1,361.13 is: 2,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.05 : 8,281.58 = 1,361.13 : x
  2. Step 2: Convert to fraction form
    5,521.05/8,281.58 = 1,361.13/x
  3. Step 3: Cross multiply
    5,521.05x = 8,281.58 × 1,361.13
  4. Step 4: Simplify right side
    5,521.05x = 11,272,300.18
  5. Step 5: Solve for x
    x = 11,272,300.18/5,521.05
  6. Step 6: Final answer
    x = 2,041.70

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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.