Home / 7,869.27-10,859.37-4,284.09

Finding the Fourth Proportional to 7,869.27, 10,859.37 and 4,284.09

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Solution

The fourth proportional to 7,869.27, 10,859.37 and 4,284.09 is: 5,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.27 : 10,859.37 = 4,284.09 : x
  2. Step 2: Convert to fraction form
    7,869.27/10,859.37 = 4,284.09/x
  3. Step 3: Cross multiply
    7,869.27x = 10,859.37 × 4,284.09
  4. Step 4: Simplify right side
    7,869.27x = 46,522,518.42
  5. Step 5: Solve for x
    x = 46,522,518.42/7,869.27
  6. Step 6: Final answer
    x = 5,911.92

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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.