Home / 7,489.42-10,336.75-4,345.61

Finding the Fourth Proportional to 7,489.42, 10,336.75 and 4,345.61

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Solution

The fourth proportional to 7,489.42, 10,336.75 and 4,345.61 is: 5,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.42 : 10,336.75 = 4,345.61 : x
  2. Step 2: Convert to fraction form
    7,489.42/10,336.75 = 4,345.61/x
  3. Step 3: Cross multiply
    7,489.42x = 10,336.75 × 4,345.61
  4. Step 4: Simplify right side
    7,489.42x = 44,919,421.62
  5. Step 5: Solve for x
    x = 44,919,421.62/7,489.42
  6. Step 6: Final answer
    x = 5,997.72

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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.