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Finding the Fourth Proportional to 7,100.26, 9,798.98 and 4,268.09

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Solution

The fourth proportional to 7,100.26, 9,798.98 and 4,268.09 is: 5,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.26 : 9,798.98 = 4,268.09 : x
  2. Step 2: Convert to fraction form
    7,100.26/9,798.98 = 4,268.09/x
  3. Step 3: Cross multiply
    7,100.26x = 9,798.98 × 4,268.09
  4. Step 4: Simplify right side
    7,100.26x = 41,822,931.71
  5. Step 5: Solve for x
    x = 41,822,931.71/7,100.26
  6. Step 6: Final answer
    x = 5,890.34

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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.