Home / 5,358.22-8,038.35-1,897.90

Finding the Fourth Proportional to 5,358.22, 8,038.35 and 1,897.90

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Solution

The fourth proportional to 5,358.22, 8,038.35 and 1,897.90 is: 2,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.22 : 8,038.35 = 1,897.90 : x
  2. Step 2: Convert to fraction form
    5,358.22/8,038.35 = 1,897.90/x
  3. Step 3: Cross multiply
    5,358.22x = 8,038.35 × 1,897.90
  4. Step 4: Simplify right side
    5,358.22x = 15,255,984.47
  5. Step 5: Solve for x
    x = 15,255,984.47/5,358.22
  6. Step 6: Final answer
    x = 2,847.21

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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.