Home / 4,746.80-7,103.40-4,137.20

Finding the Fourth Proportional to 4,746.80, 7,103.40 and 4,137.20

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Solution

The fourth proportional to 4,746.80, 7,103.40 and 4,137.20 is: 6,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.80 : 7,103.40 = 4,137.20 : x
  2. Step 2: Convert to fraction form
    4,746.80/7,103.40 = 4,137.20/x
  3. Step 3: Cross multiply
    4,746.80x = 7,103.40 × 4,137.20
  4. Step 4: Simplify right side
    4,746.80x = 29,388,186.48
  5. Step 5: Solve for x
    x = 29,388,186.48/4,746.80
  6. Step 6: Final answer
    x = 6,191.16

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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.