Home / 5,124.21-7,686.41-1,837.23

Finding the Fourth Proportional to 5,124.21, 7,686.41 and 1,837.23

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Solution

The fourth proportional to 5,124.21, 7,686.41 and 1,837.23 is: 2,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.21 : 7,686.41 = 1,837.23 : x
  2. Step 2: Convert to fraction form
    5,124.21/7,686.41 = 1,837.23/x
  3. Step 3: Cross multiply
    5,124.21x = 7,686.41 × 1,837.23
  4. Step 4: Simplify right side
    5,124.21x = 14,121,693.86
  5. Step 5: Solve for x
    x = 14,121,693.86/5,124.21
  6. Step 6: Final answer
    x = 2,755.88

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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.