Home / 7,865.89-10,855.44-4,329.32

Finding the Fourth Proportional to 7,865.89, 10,855.44 and 4,329.32

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Solution

The fourth proportional to 7,865.89, 10,855.44 and 4,329.32 is: 5,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.89 : 10,855.44 = 4,329.32 : x
  2. Step 2: Convert to fraction form
    7,865.89/10,855.44 = 4,329.32/x
  3. Step 3: Cross multiply
    7,865.89x = 10,855.44 × 4,329.32
  4. Step 4: Simplify right side
    7,865.89x = 46,996,619.22
  5. Step 5: Solve for x
    x = 46,996,619.22/7,865.89
  6. Step 6: Final answer
    x = 5,974.74

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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.