Home / 7,106.54-10,640.91-6,276.02

Finding the Fourth Proportional to 7,106.54, 10,640.91 and 6,276.02

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Solution

The fourth proportional to 7,106.54, 10,640.91 and 6,276.02 is: 9,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.54 : 10,640.91 = 6,276.02 : x
  2. Step 2: Convert to fraction form
    7,106.54/10,640.91 = 6,276.02/x
  3. Step 3: Cross multiply
    7,106.54x = 10,640.91 × 6,276.02
  4. Step 4: Simplify right side
    7,106.54x = 66,782,563.98
  5. Step 5: Solve for x
    x = 66,782,563.98/7,106.54
  6. Step 6: Final answer
    x = 9,397.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.