Home / 5,409.01-8,106.45-2,774.28

Finding the Fourth Proportional to 5,409.01, 8,106.45 and 2,774.28

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Solution

The fourth proportional to 5,409.01, 8,106.45 and 2,774.28 is: 4,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.01 : 8,106.45 = 2,774.28 : x
  2. Step 2: Convert to fraction form
    5,409.01/8,106.45 = 2,774.28/x
  3. Step 3: Cross multiply
    5,409.01x = 8,106.45 × 2,774.28
  4. Step 4: Simplify right side
    5,409.01x = 22,489,562.11
  5. Step 5: Solve for x
    x = 22,489,562.11/5,409.01
  6. Step 6: Final answer
    x = 4,157.80

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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.