Home / 4,186.47-6,280.71-1,264.59

Finding the Fourth Proportional to 4,186.47, 6,280.71 and 1,264.59

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Solution

The fourth proportional to 4,186.47, 6,280.71 and 1,264.59 is: 1,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.47 : 6,280.71 = 1,264.59 : x
  2. Step 2: Convert to fraction form
    4,186.47/6,280.71 = 1,264.59/x
  3. Step 3: Cross multiply
    4,186.47x = 6,280.71 × 1,264.59
  4. Step 4: Simplify right side
    4,186.47x = 7,942,523.06
  5. Step 5: Solve for x
    x = 7,942,523.06/4,186.47
  6. Step 6: Final answer
    x = 1,897.19

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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.