Home / 5,124.62-7,686.81-1,614.49

Finding the Fourth Proportional to 5,124.62, 7,686.81 and 1,614.49

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Solution

The fourth proportional to 5,124.62, 7,686.81 and 1,614.49 is: 2,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.62 : 7,686.81 = 1,614.49 : x
  2. Step 2: Convert to fraction form
    5,124.62/7,686.81 = 1,614.49/x
  3. Step 3: Cross multiply
    5,124.62x = 7,686.81 × 1,614.49
  4. Step 4: Simplify right side
    5,124.62x = 12,410,258.66
  5. Step 5: Solve for x
    x = 12,410,258.66/5,124.62
  6. Step 6: Final answer
    x = 2,421.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.