Home / 4,172.02-6,257.54-1,249.62

Finding the Fourth Proportional to 4,172.02, 6,257.54 and 1,249.62

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Solution

The fourth proportional to 4,172.02, 6,257.54 and 1,249.62 is: 1,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.02 : 6,257.54 = 1,249.62 : x
  2. Step 2: Convert to fraction form
    4,172.02/6,257.54 = 1,249.62/x
  3. Step 3: Cross multiply
    4,172.02x = 6,257.54 × 1,249.62
  4. Step 4: Simplify right side
    4,172.02x = 7,819,547.13
  5. Step 5: Solve for x
    x = 7,819,547.13/4,172.02
  6. Step 6: Final answer
    x = 1,874.28

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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.