Home / 6,655.26-9,188.88-4,138.50

Finding the Fourth Proportional to 6,655.26, 9,188.88 and 4,138.50

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Solution

The fourth proportional to 6,655.26, 9,188.88 and 4,138.50 is: 5,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.26 : 9,188.88 = 4,138.50 : x
  2. Step 2: Convert to fraction form
    6,655.26/9,188.88 = 4,138.50/x
  3. Step 3: Cross multiply
    6,655.26x = 9,188.88 × 4,138.50
  4. Step 4: Simplify right side
    6,655.26x = 38,028,179.88
  5. Step 5: Solve for x
    x = 38,028,179.88/6,655.26
  6. Step 6: Final answer
    x = 5,714.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.