Home / 4,742.76-6,543.78-2,853.74

Finding the Fourth Proportional to 4,742.76, 6,543.78 and 2,853.74

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Solution

The fourth proportional to 4,742.76, 6,543.78 and 2,853.74 is: 3,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.76 : 6,543.78 = 2,853.74 : x
  2. Step 2: Convert to fraction form
    4,742.76/6,543.78 = 2,853.74/x
  3. Step 3: Cross multiply
    4,742.76x = 6,543.78 × 2,853.74
  4. Step 4: Simplify right side
    4,742.76x = 18,674,246.74
  5. Step 5: Solve for x
    x = 18,674,246.74/4,742.76
  6. Step 6: Final answer
    x = 3,937.42

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Half scale
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Double scale
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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.