Home / 6,412.02-9,618.35-3,127.92

Finding the Fourth Proportional to 6,412.02, 9,618.35 and 3,127.92

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Solution

The fourth proportional to 6,412.02, 9,618.35 and 3,127.92 is: 4,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.02 : 9,618.35 = 3,127.92 : x
  2. Step 2: Convert to fraction form
    6,412.02/9,618.35 = 3,127.92/x
  3. Step 3: Cross multiply
    6,412.02x = 9,618.35 × 3,127.92
  4. Step 4: Simplify right side
    6,412.02x = 30,085,429.33
  5. Step 5: Solve for x
    x = 30,085,429.33/6,412.02
  6. Step 6: Final answer
    x = 4,692.04

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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.