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Finding the Fourth Proportional to 7,101.78, 10,652.68 and 1,907.26

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Solution

The fourth proportional to 7,101.78, 10,652.68 and 1,907.26 is: 2,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.78 : 10,652.68 = 1,907.26 : x
  2. Step 2: Convert to fraction form
    7,101.78/10,652.68 = 1,907.26/x
  3. Step 3: Cross multiply
    7,101.78x = 10,652.68 × 1,907.26
  4. Step 4: Simplify right side
    7,101.78x = 20,317,430.46
  5. Step 5: Solve for x
    x = 20,317,430.46/7,101.78
  6. Step 6: Final answer
    x = 2,860.89

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1.5x scale

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.