Home / 7,836.68-10,814.21-4,479.05

Finding the Fourth Proportional to 7,836.68, 10,814.21 and 4,479.05

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Solution

The fourth proportional to 7,836.68, 10,814.21 and 4,479.05 is: 6,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.68 : 10,814.21 = 4,479.05 : x
  2. Step 2: Convert to fraction form
    7,836.68/10,814.21 = 4,479.05/x
  3. Step 3: Cross multiply
    7,836.68x = 10,814.21 × 4,479.05
  4. Step 4: Simplify right side
    7,836.68x = 48,437,408.74
  5. Step 5: Solve for x
    x = 48,437,408.74/7,836.68
  6. Step 6: Final answer
    x = 6,180.86

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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.