Home / 6,278.07-8,654.49-4,783.40

Finding the Fourth Proportional to 6,278.07, 8,654.49 and 4,783.40

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Solution

The fourth proportional to 6,278.07, 8,654.49 and 4,783.40 is: 6,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.07 : 8,654.49 = 4,783.40 : x
  2. Step 2: Convert to fraction form
    6,278.07/8,654.49 = 4,783.40/x
  3. Step 3: Cross multiply
    6,278.07x = 8,654.49 × 4,783.40
  4. Step 4: Simplify right side
    6,278.07x = 41,397,876.65
  5. Step 5: Solve for x
    x = 41,397,876.65/6,278.07
  6. Step 6: Final answer
    x = 6,594.04

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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.