Home / 6,685.65-9,268.40-6,330.13

Finding the Fourth Proportional to 6,685.65, 9,268.40 and 6,330.13

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Solution

The fourth proportional to 6,685.65, 9,268.40 and 6,330.13 is: 8,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.65 : 9,268.40 = 6,330.13 : x
  2. Step 2: Convert to fraction form
    6,685.65/9,268.40 = 6,330.13/x
  3. Step 3: Cross multiply
    6,685.65x = 9,268.40 × 6,330.13
  4. Step 4: Simplify right side
    6,685.65x = 58,670,176.89
  5. Step 5: Solve for x
    x = 58,670,176.89/6,685.65
  6. Step 6: Final answer
    x = 8,775.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.