Home / 7,869.60-10,859.83-4,284.62

Finding the Fourth Proportional to 7,869.60, 10,859.83 and 4,284.62

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Solution

The fourth proportional to 7,869.60, 10,859.83 and 4,284.62 is: 5,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.60 : 10,859.83 = 4,284.62 : x
  2. Step 2: Convert to fraction form
    7,869.60/10,859.83 = 4,284.62/x
  3. Step 3: Cross multiply
    7,869.60x = 10,859.83 × 4,284.62
  4. Step 4: Simplify right side
    7,869.60x = 46,530,244.81
  5. Step 5: Solve for x
    x = 46,530,244.81/7,869.60
  6. Step 6: Final answer
    x = 5,912.66

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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.