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Finding the Fourth Proportional to 5,630.88, 8,447.28 and 1,735.20

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Solution

The fourth proportional to 5,630.88, 8,447.28 and 1,735.20 is: 2,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.88 : 8,447.28 = 1,735.20 : x
  2. Step 2: Convert to fraction form
    5,630.88/8,447.28 = 1,735.20/x
  3. Step 3: Cross multiply
    5,630.88x = 8,447.28 × 1,735.20
  4. Step 4: Simplify right side
    5,630.88x = 14,657,720.26
  5. Step 5: Solve for x
    x = 14,657,720.26/5,630.88
  6. Step 6: Final answer
    x = 2,603.10

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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.