Home / 6,555.74-9,043.85-3,902.58

Finding the Fourth Proportional to 6,555.74, 9,043.85 and 3,902.58

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Solution

The fourth proportional to 6,555.74, 9,043.85 and 3,902.58 is: 5,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.74 : 9,043.85 = 3,902.58 : x
  2. Step 2: Convert to fraction form
    6,555.74/9,043.85 = 3,902.58/x
  3. Step 3: Cross multiply
    6,555.74x = 9,043.85 × 3,902.58
  4. Step 4: Simplify right side
    6,555.74x = 35,294,357.89
  5. Step 5: Solve for x
    x = 35,294,357.89/6,555.74
  6. Step 6: Final answer
    x = 5,383.74

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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.