Home / 6,555.77-9,046.27-3,902.81

Finding the Fourth Proportional to 6,555.77, 9,046.27 and 3,902.81

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Solution

The fourth proportional to 6,555.77, 9,046.27 and 3,902.81 is: 5,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.77 : 9,046.27 = 3,902.81 : x
  2. Step 2: Convert to fraction form
    6,555.77/9,046.27 = 3,902.81/x
  3. Step 3: Cross multiply
    6,555.77x = 9,046.27 × 3,902.81
  4. Step 4: Simplify right side
    6,555.77x = 35,305,853.50
  5. Step 5: Solve for x
    x = 35,305,853.50/6,555.77
  6. Step 6: Final answer
    x = 5,385.47

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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.