Home / 5,445.47-7,516.29-3,208.64

Finding the Fourth Proportional to 5,445.47, 7,516.29 and 3,208.64

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Solution

The fourth proportional to 5,445.47, 7,516.29 and 3,208.64 is: 4,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.47 : 7,516.29 = 3,208.64 : x
  2. Step 2: Convert to fraction form
    5,445.47/7,516.29 = 3,208.64/x
  3. Step 3: Cross multiply
    5,445.47x = 7,516.29 × 3,208.64
  4. Step 4: Simplify right side
    5,445.47x = 24,117,068.75
  5. Step 5: Solve for x
    x = 24,117,068.75/5,445.47
  6. Step 6: Final answer
    x = 4,428.83

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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.