Home / 6,555.15-9,046.35-3,902.85

Finding the Fourth Proportional to 6,555.15, 9,046.35 and 3,902.85

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Solution

The fourth proportional to 6,555.15, 9,046.35 and 3,902.85 is: 5,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.15 : 9,046.35 = 3,902.85 : x
  2. Step 2: Convert to fraction form
    6,555.15/9,046.35 = 3,902.85/x
  3. Step 3: Cross multiply
    6,555.15x = 9,046.35 × 3,902.85
  4. Step 4: Simplify right side
    6,555.15x = 35,306,547.10
  5. Step 5: Solve for x
    x = 35,306,547.10/6,555.15
  6. Step 6: Final answer
    x = 5,386.08

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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.