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Finding the Fourth Proportional to 5,880.53, 8,820.83 and 1,438.22

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Solution

The fourth proportional to 5,880.53, 8,820.83 and 1,438.22 is: 2,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.53 : 8,820.83 = 1,438.22 : x
  2. Step 2: Convert to fraction form
    5,880.53/8,820.83 = 1,438.22/x
  3. Step 3: Cross multiply
    5,880.53x = 8,820.83 × 1,438.22
  4. Step 4: Simplify right side
    5,880.53x = 12,686,319.77
  5. Step 5: Solve for x
    x = 12,686,319.77/5,880.53
  6. Step 6: Final answer
    x = 2,157.34

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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.