Home / 7,538.67-10,403.36-4,181.99

Finding the Fourth Proportional to 7,538.67, 10,403.36 and 4,181.99

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Solution

The fourth proportional to 7,538.67, 10,403.36 and 4,181.99 is: 5,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.67 : 10,403.36 = 4,181.99 : x
  2. Step 2: Convert to fraction form
    7,538.67/10,403.36 = 4,181.99/x
  3. Step 3: Cross multiply
    7,538.67x = 10,403.36 × 4,181.99
  4. Step 4: Simplify right side
    7,538.67x = 43,506,752.58
  5. Step 5: Solve for x
    x = 43,506,752.58/7,538.67
  6. Step 6: Final answer
    x = 5,771.14

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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.