Home / 7,538.74-10,403.57-4,181.30

Finding the Fourth Proportional to 7,538.74, 10,403.57 and 4,181.30

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Solution

The fourth proportional to 7,538.74, 10,403.57 and 4,181.30 is: 5,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.74 : 10,403.57 = 4,181.30 : x
  2. Step 2: Convert to fraction form
    7,538.74/10,403.57 = 4,181.30/x
  3. Step 3: Cross multiply
    7,538.74x = 10,403.57 × 4,181.30
  4. Step 4: Simplify right side
    7,538.74x = 43,500,447.24
  5. Step 5: Solve for x
    x = 43,500,447.24/7,538.74
  6. Step 6: Final answer
    x = 5,770.25

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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.