Home / 7,539.72-10,403.98-4,181.69

Finding the Fourth Proportional to 7,539.72, 10,403.98 and 4,181.69

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Solution

The fourth proportional to 7,539.72, 10,403.98 and 4,181.69 is: 5,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.72 : 10,403.98 = 4,181.69 : x
  2. Step 2: Convert to fraction form
    7,539.72/10,403.98 = 4,181.69/x
  3. Step 3: Cross multiply
    7,539.72x = 10,403.98 × 4,181.69
  4. Step 4: Simplify right side
    7,539.72x = 43,506,242.46
  5. Step 5: Solve for x
    x = 43,506,242.46/7,539.72
  6. Step 6: Final answer
    x = 5,770.27

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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.