Home / 4,186.92-6,280.20-1,265.16

Finding the Fourth Proportional to 4,186.92, 6,280.20 and 1,265.16

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Solution

The fourth proportional to 4,186.92, 6,280.20 and 1,265.16 is: 1,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.92 : 6,280.20 = 1,265.16 : x
  2. Step 2: Convert to fraction form
    4,186.92/6,280.20 = 1,265.16/x
  3. Step 3: Cross multiply
    4,186.92x = 6,280.20 × 1,265.16
  4. Step 4: Simplify right side
    4,186.92x = 7,945,457.83
  5. Step 5: Solve for x
    x = 7,945,457.83/4,186.92
  6. Step 6: Final answer
    x = 1,897.69

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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.