Home / 5,014.86-6,921.64-3,126.08

Finding the Fourth Proportional to 5,014.86, 6,921.64 and 3,126.08

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Solution

The fourth proportional to 5,014.86, 6,921.64 and 3,126.08 is: 4,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.86 : 6,921.64 = 3,126.08 : x
  2. Step 2: Convert to fraction form
    5,014.86/6,921.64 = 3,126.08/x
  3. Step 3: Cross multiply
    5,014.86x = 6,921.64 × 3,126.08
  4. Step 4: Simplify right side
    5,014.86x = 21,637,580.13
  5. Step 5: Solve for x
    x = 21,637,580.13/5,014.86
  6. Step 6: Final answer
    x = 4,314.69

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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.