Home / 6,555.84-9,045.36-3,902.08

Finding the Fourth Proportional to 6,555.84, 9,045.36 and 3,902.08

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Solution

The fourth proportional to 6,555.84, 9,045.36 and 3,902.08 is: 5,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.84 : 9,045.36 = 3,902.08 : x
  2. Step 2: Convert to fraction form
    6,555.84/9,045.36 = 3,902.08/x
  3. Step 3: Cross multiply
    6,555.84x = 9,045.36 × 3,902.08
  4. Step 4: Simplify right side
    6,555.84x = 35,295,718.35
  5. Step 5: Solve for x
    x = 35,295,718.35/6,555.84
  6. Step 6: Final answer
    x = 5,383.86

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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.