Home / 7,621.62-10,518.59-4,791.13

Finding the Fourth Proportional to 7,621.62, 10,518.59 and 4,791.13

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Solution

The fourth proportional to 7,621.62, 10,518.59 and 4,791.13 is: 6,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.62 : 10,518.59 = 4,791.13 : x
  2. Step 2: Convert to fraction form
    7,621.62/10,518.59 = 4,791.13/x
  3. Step 3: Cross multiply
    7,621.62x = 10,518.59 × 4,791.13
  4. Step 4: Simplify right side
    7,621.62x = 50,395,932.11
  5. Step 5: Solve for x
    x = 50,395,932.11/7,621.62
  6. Step 6: Final answer
    x = 6,612.23

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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.