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Finding the Fourth Proportional to 5,642.34, 8,467.02 and 2,720.94

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Solution

The fourth proportional to 5,642.34, 8,467.02 and 2,720.94 is: 4,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.34 : 8,467.02 = 2,720.94 : x
  2. Step 2: Convert to fraction form
    5,642.34/8,467.02 = 2,720.94/x
  3. Step 3: Cross multiply
    5,642.34x = 8,467.02 × 2,720.94
  4. Step 4: Simplify right side
    5,642.34x = 23,038,253.40
  5. Step 5: Solve for x
    x = 23,038,253.40/5,642.34
  6. Step 6: Final answer
    x = 4,083.10

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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.