Home / 7,868.04-10,857.88-4,724.22

Finding the Fourth Proportional to 7,868.04, 10,857.88 and 4,724.22

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Solution

The fourth proportional to 7,868.04, 10,857.88 and 4,724.22 is: 6,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.04 : 10,857.88 = 4,724.22 : x
  2. Step 2: Convert to fraction form
    7,868.04/10,857.88 = 4,724.22/x
  3. Step 3: Cross multiply
    7,868.04x = 10,857.88 × 4,724.22
  4. Step 4: Simplify right side
    7,868.04x = 51,295,013.85
  5. Step 5: Solve for x
    x = 51,295,013.85/7,868.04
  6. Step 6: Final answer
    x = 6,519.41

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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.