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Finding the Fourth Proportional to 7,898.27, 10,900.44 and 4,541.22

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Solution

The fourth proportional to 7,898.27, 10,900.44 and 4,541.22 is: 6,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.27 : 10,900.44 = 4,541.22 : x
  2. Step 2: Convert to fraction form
    7,898.27/10,900.44 = 4,541.22/x
  3. Step 3: Cross multiply
    7,898.27x = 10,900.44 × 4,541.22
  4. Step 4: Simplify right side
    7,898.27x = 49,501,296.14
  5. Step 5: Solve for x
    x = 49,501,296.14/7,898.27
  6. Step 6: Final answer
    x = 6,267.36

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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.