Home / 4,187.09-6,280.64-1,265.24

Finding the Fourth Proportional to 4,187.09, 6,280.64 and 1,265.24

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Solution

The fourth proportional to 4,187.09, 6,280.64 and 1,265.24 is: 1,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.09 : 6,280.64 = 1,265.24 : x
  2. Step 2: Convert to fraction form
    4,187.09/6,280.64 = 1,265.24/x
  3. Step 3: Cross multiply
    4,187.09x = 6,280.64 × 1,265.24
  4. Step 4: Simplify right side
    4,187.09x = 7,946,510.63
  5. Step 5: Solve for x
    x = 7,946,510.63/4,187.09
  6. Step 6: Final answer
    x = 1,897.86

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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.