Home / 7,763.08-10,715.34-4,621.36

Finding the Fourth Proportional to 7,763.08, 10,715.34 and 4,621.36

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Solution

The fourth proportional to 7,763.08, 10,715.34 and 4,621.36 is: 6,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.08 : 10,715.34 = 4,621.36 : x
  2. Step 2: Convert to fraction form
    7,763.08/10,715.34 = 4,621.36/x
  3. Step 3: Cross multiply
    7,763.08x = 10,715.34 × 4,621.36
  4. Step 4: Simplify right side
    7,763.08x = 49,519,443.66
  5. Step 5: Solve for x
    x = 49,519,443.66/7,763.08
  6. Step 6: Final answer
    x = 6,378.84

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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.