Home / 5,642.36-8,467.04-2,720.96

Finding the Fourth Proportional to 5,642.36, 8,467.04 and 2,720.96

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Solution

The fourth proportional to 5,642.36, 8,467.04 and 2,720.96 is: 4,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.36 : 8,467.04 = 2,720.96 : x
  2. Step 2: Convert to fraction form
    5,642.36/8,467.04 = 2,720.96/x
  3. Step 3: Cross multiply
    5,642.36x = 8,467.04 × 2,720.96
  4. Step 4: Simplify right side
    5,642.36x = 23,038,477.16
  5. Step 5: Solve for x
    x = 23,038,477.16/5,642.36
  6. Step 6: Final answer
    x = 4,083.13

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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.