Home / 6,742.14-10,113.21-2,125.50

Finding the Fourth Proportional to 6,742.14, 10,113.21 and 2,125.50

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Solution

The fourth proportional to 6,742.14, 10,113.21 and 2,125.50 is: 3,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.14 : 10,113.21 = 2,125.50 : x
  2. Step 2: Convert to fraction form
    6,742.14/10,113.21 = 2,125.50/x
  3. Step 3: Cross multiply
    6,742.14x = 10,113.21 × 2,125.50
  4. Step 4: Simplify right side
    6,742.14x = 21,495,627.86
  5. Step 5: Solve for x
    x = 21,495,627.86/6,742.14
  6. Step 6: Final answer
    x = 3,188.25

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Double scale
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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.