Home / 5,460.48-8,191.28-2,539.64

Finding the Fourth Proportional to 5,460.48, 8,191.28 and 2,539.64

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Solution

The fourth proportional to 5,460.48, 8,191.28 and 2,539.64 is: 3,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.48 : 8,191.28 = 2,539.64 : x
  2. Step 2: Convert to fraction form
    5,460.48/8,191.28 = 2,539.64/x
  3. Step 3: Cross multiply
    5,460.48x = 8,191.28 × 2,539.64
  4. Step 4: Simplify right side
    5,460.48x = 20,802,902.34
  5. Step 5: Solve for x
    x = 20,802,902.34/5,460.48
  6. Step 6: Final answer
    x = 3,809.72

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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.