Home / 4,976.34-6,867.18-2,985.71

Finding the Fourth Proportional to 4,976.34, 6,867.18 and 2,985.71

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Solution

The fourth proportional to 4,976.34, 6,867.18 and 2,985.71 is: 4,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.34 : 6,867.18 = 2,985.71 : x
  2. Step 2: Convert to fraction form
    4,976.34/6,867.18 = 2,985.71/x
  3. Step 3: Cross multiply
    4,976.34x = 6,867.18 × 2,985.71
  4. Step 4: Simplify right side
    4,976.34x = 20,503,412.29
  5. Step 5: Solve for x
    x = 20,503,412.29/4,976.34
  6. Step 6: Final answer
    x = 4,120.18

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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.