Home / 6,254.79-8,627.85-4,130.34

Finding the Fourth Proportional to 6,254.79, 8,627.85 and 4,130.34

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Solution

The fourth proportional to 6,254.79, 8,627.85 and 4,130.34 is: 5,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.79 : 8,627.85 = 4,130.34 : x
  2. Step 2: Convert to fraction form
    6,254.79/8,627.85 = 4,130.34/x
  3. Step 3: Cross multiply
    6,254.79x = 8,627.85 × 4,130.34
  4. Step 4: Simplify right side
    6,254.79x = 35,635,953.97
  5. Step 5: Solve for x
    x = 35,635,953.97/6,254.79
  6. Step 6: Final answer
    x = 5,697.39

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.