Home / 7,517.81-10,374.60-4,160.86

Finding the Fourth Proportional to 7,517.81, 10,374.60 and 4,160.86

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Solution

The fourth proportional to 7,517.81, 10,374.60 and 4,160.86 is: 5,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.81 : 10,374.60 = 4,160.86 : x
  2. Step 2: Convert to fraction form
    7,517.81/10,374.60 = 4,160.86/x
  3. Step 3: Cross multiply
    7,517.81x = 10,374.60 × 4,160.86
  4. Step 4: Simplify right side
    7,517.81x = 43,167,206.28
  5. Step 5: Solve for x
    x = 43,167,206.28/7,517.81
  6. Step 6: Final answer
    x = 5,741.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.