Home / 5,014.08-6,921.36-3,150.72

Finding the Fourth Proportional to 5,014.08, 6,921.36 and 3,150.72

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Solution

The fourth proportional to 5,014.08, 6,921.36 and 3,150.72 is: 4,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.08 : 6,921.36 = 3,150.72 : x
  2. Step 2: Convert to fraction form
    5,014.08/6,921.36 = 3,150.72/x
  3. Step 3: Cross multiply
    5,014.08x = 6,921.36 × 3,150.72
  4. Step 4: Simplify right side
    5,014.08x = 21,807,267.38
  5. Step 5: Solve for x
    x = 21,807,267.38/5,014.08
  6. Step 6: Final answer
    x = 4,349.21

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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.