Home / 6,418.02-9,619.44-3,123.55

Finding the Fourth Proportional to 6,418.02, 9,619.44 and 3,123.55

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Solution

The fourth proportional to 6,418.02, 9,619.44 and 3,123.55 is: 4,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.02 : 9,619.44 = 3,123.55 : x
  2. Step 2: Convert to fraction form
    6,418.02/9,619.44 = 3,123.55/x
  3. Step 3: Cross multiply
    6,418.02x = 9,619.44 × 3,123.55
  4. Step 4: Simplify right side
    6,418.02x = 30,046,801.81
  5. Step 5: Solve for x
    x = 30,046,801.81/6,418.02
  6. Step 6: Final answer
    x = 4,681.63

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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.