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Finding the Fourth Proportional to 7,101.78, 10,652.27 and 1,907.25

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Solution

The fourth proportional to 7,101.78, 10,652.27 and 1,907.25 is: 2,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.78 : 10,652.27 = 1,907.25 : x
  2. Step 2: Convert to fraction form
    7,101.78/10,652.27 = 1,907.25/x
  3. Step 3: Cross multiply
    7,101.78x = 10,652.27 × 1,907.25
  4. Step 4: Simplify right side
    7,101.78x = 20,316,532.42
  5. Step 5: Solve for x
    x = 20,316,532.42/7,101.78
  6. Step 6: Final answer
    x = 2,860.77

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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.