Home / 8,621.11-11,898.23-5,263.20

Finding the Fourth Proportional to 8,621.11, 11,898.23 and 5,263.20

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Solution

The fourth proportional to 8,621.11, 11,898.23 and 5,263.20 is: 7,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.11 : 11,898.23 = 5,263.20 : x
  2. Step 2: Convert to fraction form
    8,621.11/11,898.23 = 5,263.20/x
  3. Step 3: Cross multiply
    8,621.11x = 11,898.23 × 5,263.20
  4. Step 4: Simplify right side
    8,621.11x = 62,622,737.82
  5. Step 5: Solve for x
    x = 62,622,737.82/8,621.11
  6. Step 6: Final answer
    x = 7,263.89

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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.