Home / 7,538.86-10,403.34-4,181.98

Finding the Fourth Proportional to 7,538.86, 10,403.34 and 4,181.98

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Solution

The fourth proportional to 7,538.86, 10,403.34 and 4,181.98 is: 5,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.86 : 10,403.34 = 4,181.98 : x
  2. Step 2: Convert to fraction form
    7,538.86/10,403.34 = 4,181.98/x
  3. Step 3: Cross multiply
    7,538.86x = 10,403.34 × 4,181.98
  4. Step 4: Simplify right side
    7,538.86x = 43,506,559.81
  5. Step 5: Solve for x
    x = 43,506,559.81/7,538.86
  6. Step 6: Final answer
    x = 5,770.97

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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.