Home / 4,242.04-6,354.78-2,776.75

Finding the Fourth Proportional to 4,242.04, 6,354.78 and 2,776.75

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Solution

The fourth proportional to 4,242.04, 6,354.78 and 2,776.75 is: 4,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.04 : 6,354.78 = 2,776.75 : x
  2. Step 2: Convert to fraction form
    4,242.04/6,354.78 = 2,776.75/x
  3. Step 3: Cross multiply
    4,242.04x = 6,354.78 × 2,776.75
  4. Step 4: Simplify right side
    4,242.04x = 17,645,609.07
  5. Step 5: Solve for x
    x = 17,645,609.07/4,242.04
  6. Step 6: Final answer
    x = 4,159.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.