Home / 4,240.30-6,357.02-1,930.18

Finding the Fourth Proportional to 4,240.30, 6,357.02 and 1,930.18

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Solution

The fourth proportional to 4,240.30, 6,357.02 and 1,930.18 is: 2,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.30 : 6,357.02 = 1,930.18 : x
  2. Step 2: Convert to fraction form
    4,240.30/6,357.02 = 1,930.18/x
  3. Step 3: Cross multiply
    4,240.30x = 6,357.02 × 1,930.18
  4. Step 4: Simplify right side
    4,240.30x = 12,270,192.86
  5. Step 5: Solve for x
    x = 12,270,192.86/4,240.30
  6. Step 6: Final answer
    x = 2,893.71

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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.