Home / 4,968.62-6,864.99-4,139.18

Finding the Fourth Proportional to 4,968.62, 6,864.99 and 4,139.18

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Solution

The fourth proportional to 4,968.62, 6,864.99 and 4,139.18 is: 5,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.62 : 6,864.99 = 4,139.18 : x
  2. Step 2: Convert to fraction form
    4,968.62/6,864.99 = 4,139.18/x
  3. Step 3: Cross multiply
    4,968.62x = 6,864.99 × 4,139.18
  4. Step 4: Simplify right side
    4,968.62x = 28,415,429.31
  5. Step 5: Solve for x
    x = 28,415,429.31/4,968.62
  6. Step 6: Final answer
    x = 5,718.98

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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.