Home / 7,836.06-10,812.98-4,479.68

Finding the Fourth Proportional to 7,836.06, 10,812.98 and 4,479.68

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Solution

The fourth proportional to 7,836.06, 10,812.98 and 4,479.68 is: 6,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.06 : 10,812.98 = 4,479.68 : x
  2. Step 2: Convert to fraction form
    7,836.06/10,812.98 = 4,479.68/x
  3. Step 3: Cross multiply
    7,836.06x = 10,812.98 × 4,479.68
  4. Step 4: Simplify right side
    7,836.06x = 48,438,690.25
  5. Step 5: Solve for x
    x = 48,438,690.25/7,836.06
  6. Step 6: Final answer
    x = 6,181.51

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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.