Home / 4,129.10-6,193.65-1,207.41

Finding the Fourth Proportional to 4,129.10, 6,193.65 and 1,207.41

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Solution

The fourth proportional to 4,129.10, 6,193.65 and 1,207.41 is: 1,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.10 : 6,193.65 = 1,207.41 : x
  2. Step 2: Convert to fraction form
    4,129.10/6,193.65 = 1,207.41/x
  3. Step 3: Cross multiply
    4,129.10x = 6,193.65 × 1,207.41
  4. Step 4: Simplify right side
    4,129.10x = 7,478,254.55
  5. Step 5: Solve for x
    x = 7,478,254.55/4,129.10
  6. Step 6: Final answer
    x = 1,811.11

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Double scale
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Similar ratio
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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.