Home / 5,447.76-7,513.64-4,818.96

Finding the Fourth Proportional to 5,447.76, 7,513.64 and 4,818.96

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Solution

The fourth proportional to 5,447.76, 7,513.64 and 4,818.96 is: 6,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.76 : 7,513.64 = 4,818.96 : x
  2. Step 2: Convert to fraction form
    5,447.76/7,513.64 = 4,818.96/x
  3. Step 3: Cross multiply
    5,447.76x = 7,513.64 × 4,818.96
  4. Step 4: Simplify right side
    5,447.76x = 36,207,930.61
  5. Step 5: Solve for x
    x = 36,207,930.61/5,447.76
  6. Step 6: Final answer
    x = 6,646.39

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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.