Home / 4,864.81-6,707.46-2,874.64

Finding the Fourth Proportional to 4,864.81, 6,707.46 and 2,874.64

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Solution

The fourth proportional to 4,864.81, 6,707.46 and 2,874.64 is: 3,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.81 : 6,707.46 = 2,874.64 : x
  2. Step 2: Convert to fraction form
    4,864.81/6,707.46 = 2,874.64/x
  3. Step 3: Cross multiply
    4,864.81x = 6,707.46 × 2,874.64
  4. Step 4: Simplify right side
    4,864.81x = 19,281,523.23
  5. Step 5: Solve for x
    x = 19,281,523.23/4,864.81
  6. Step 6: Final answer
    x = 3,963.47

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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.