Home / 6,115.60-9,173.40-5,775.40

Finding the Fourth Proportional to 6,115.60, 9,173.40 and 5,775.40

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Solution

The fourth proportional to 6,115.60, 9,173.40 and 5,775.40 is: 8,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.60 : 9,173.40 = 5,775.40 : x
  2. Step 2: Convert to fraction form
    6,115.60/9,173.40 = 5,775.40/x
  3. Step 3: Cross multiply
    6,115.60x = 9,173.40 × 5,775.40
  4. Step 4: Simplify right side
    6,115.60x = 52,980,054.36
  5. Step 5: Solve for x
    x = 52,980,054.36/6,115.60
  6. Step 6: Final answer
    x = 8,663.10

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Similar ratio
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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.