Home / 6,555.28-8,995.40-5,961.28

Finding the Fourth Proportional to 6,555.28, 8,995.40 and 5,961.28

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Solution

The fourth proportional to 6,555.28, 8,995.40 and 5,961.28 is: 8,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.28 : 8,995.40 = 5,961.28 : x
  2. Step 2: Convert to fraction form
    6,555.28/8,995.40 = 5,961.28/x
  3. Step 3: Cross multiply
    6,555.28x = 8,995.40 × 5,961.28
  4. Step 4: Simplify right side
    6,555.28x = 53,624,098.11
  5. Step 5: Solve for x
    x = 53,624,098.11/6,555.28
  6. Step 6: Final answer
    x = 8,180.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.