Home / 6,278.63-8,663.60-4,043.54

Finding the Fourth Proportional to 6,278.63, 8,663.60 and 4,043.54

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Solution

The fourth proportional to 6,278.63, 8,663.60 and 4,043.54 is: 5,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.63 : 8,663.60 = 4,043.54 : x
  2. Step 2: Convert to fraction form
    6,278.63/8,663.60 = 4,043.54/x
  3. Step 3: Cross multiply
    6,278.63x = 8,663.60 × 4,043.54
  4. Step 4: Simplify right side
    6,278.63x = 35,031,549.61
  5. Step 5: Solve for x
    x = 35,031,549.61/6,278.63
  6. Step 6: Final answer
    x = 5,579.49

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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.