Home / 7,518.13-10,374.87-4,160.75

Finding the Fourth Proportional to 7,518.13, 10,374.87 and 4,160.75

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Solution

The fourth proportional to 7,518.13, 10,374.87 and 4,160.75 is: 5,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.13 : 10,374.87 = 4,160.75 : x
  2. Step 2: Convert to fraction form
    7,518.13/10,374.87 = 4,160.75/x
  3. Step 3: Cross multiply
    7,518.13x = 10,374.87 × 4,160.75
  4. Step 4: Simplify right side
    7,518.13x = 43,167,167.67
  5. Step 5: Solve for x
    x = 43,167,167.67/7,518.13
  6. Step 6: Final answer
    x = 5,741.75

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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.