Home / 4,147.96-6,216.81-1,925.47

Finding the Fourth Proportional to 4,147.96, 6,216.81 and 1,925.47

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Solution

The fourth proportional to 4,147.96, 6,216.81 and 1,925.47 is: 2,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.96 : 6,216.81 = 1,925.47 : x
  2. Step 2: Convert to fraction form
    4,147.96/6,216.81 = 1,925.47/x
  3. Step 3: Cross multiply
    4,147.96x = 6,216.81 × 1,925.47
  4. Step 4: Simplify right side
    4,147.96x = 11,970,281.15
  5. Step 5: Solve for x
    x = 11,970,281.15/4,147.96
  6. Step 6: Final answer
    x = 2,885.82

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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.