Home / 5,272.77-7,909.14-2,154.24

Finding the Fourth Proportional to 5,272.77, 7,909.14 and 2,154.24

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Solution

The fourth proportional to 5,272.77, 7,909.14 and 2,154.24 is: 3,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.77 : 7,909.14 = 2,154.24 : x
  2. Step 2: Convert to fraction form
    5,272.77/7,909.14 = 2,154.24/x
  3. Step 3: Cross multiply
    5,272.77x = 7,909.14 × 2,154.24
  4. Step 4: Simplify right side
    5,272.77x = 17,038,185.75
  5. Step 5: Solve for x
    x = 17,038,185.75/5,272.77
  6. Step 6: Final answer
    x = 3,231.35

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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.