Home / 7,621.04-10,518.72-4,826

Finding the Fourth Proportional to 7,621.04, 10,518.72 and 4,826

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Solution

The fourth proportional to 7,621.04, 10,518.72 and 4,826 is: 6,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.04 : 10,518.72 = 4,826 : x
  2. Step 2: Convert to fraction form
    7,621.04/10,518.72 = 4,826/x
  3. Step 3: Cross multiply
    7,621.04x = 10,518.72 × 4,826
  4. Step 4: Simplify right side
    7,621.04x = 50,763,342.72
  5. Step 5: Solve for x
    x = 50,763,342.72/7,621.04
  6. Step 6: Final answer
    x = 6,660.95

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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.