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Finding the Fourth Proportional to 5,052, 7,574.16 and 2,740.32

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Solution

The fourth proportional to 5,052, 7,574.16 and 2,740.32 is: 4,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052 : 7,574.16 = 2,740.32 : x
  2. Step 2: Convert to fraction form
    5,052/7,574.16 = 2,740.32/x
  3. Step 3: Cross multiply
    5,052x = 7,574.16 × 2,740.32
  4. Step 4: Simplify right side
    5,052x = 20,755,622.13
  5. Step 5: Solve for x
    x = 20,755,622.13/5,052
  6. Step 6: Final answer
    x = 4,108.40

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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.