Home / 7,865.40-10,855.44-4,723.32

Finding the Fourth Proportional to 7,865.40, 10,855.44 and 4,723.32

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Solution

The fourth proportional to 7,865.40, 10,855.44 and 4,723.32 is: 6,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.40 : 10,855.44 = 4,723.32 : x
  2. Step 2: Convert to fraction form
    7,865.40/10,855.44 = 4,723.32/x
  3. Step 3: Cross multiply
    7,865.40x = 10,855.44 × 4,723.32
  4. Step 4: Simplify right side
    7,865.40x = 51,273,716.86
  5. Step 5: Solve for x
    x = 51,273,716.86/7,865.40
  6. Step 6: Final answer
    x = 6,518.90

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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.