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Finding the Fourth Proportional to 5,065.51, 7,599.38 and 1,945.51

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Solution

The fourth proportional to 5,065.51, 7,599.38 and 1,945.51 is: 2,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.51 : 7,599.38 = 1,945.51 : x
  2. Step 2: Convert to fraction form
    5,065.51/7,599.38 = 1,945.51/x
  3. Step 3: Cross multiply
    5,065.51x = 7,599.38 × 1,945.51
  4. Step 4: Simplify right side
    5,065.51x = 14,784,692.43
  5. Step 5: Solve for x
    x = 14,784,692.43/5,065.51
  6. Step 6: Final answer
    x = 2,918.70

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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.