Home / 7,701.08-11,548.56-2,769.20

Finding the Fourth Proportional to 7,701.08, 11,548.56 and 2,769.20

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Solution

The fourth proportional to 7,701.08, 11,548.56 and 2,769.20 is: 4,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.08 : 11,548.56 = 2,769.20 : x
  2. Step 2: Convert to fraction form
    7,701.08/11,548.56 = 2,769.20/x
  3. Step 3: Cross multiply
    7,701.08x = 11,548.56 × 2,769.20
  4. Step 4: Simplify right side
    7,701.08x = 31,980,272.35
  5. Step 5: Solve for x
    x = 31,980,272.35/7,701.08
  6. Step 6: Final answer
    x = 4,152.70

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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.