Home / 5,115.64-7,628.28-4,493.48

Finding the Fourth Proportional to 5,115.64, 7,628.28 and 4,493.48

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Solution

The fourth proportional to 5,115.64, 7,628.28 and 4,493.48 is: 6,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.64 : 7,628.28 = 4,493.48 : x
  2. Step 2: Convert to fraction form
    5,115.64/7,628.28 = 4,493.48/x
  3. Step 3: Cross multiply
    5,115.64x = 7,628.28 × 4,493.48
  4. Step 4: Simplify right side
    5,115.64x = 34,277,501.15
  5. Step 5: Solve for x
    x = 34,277,501.15/5,115.64
  6. Step 6: Final answer
    x = 6,700.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.