Home / 4,116.20-6,174.32-1,038.20

Finding the Fourth Proportional to 4,116.20, 6,174.32 and 1,038.20

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Solution

The fourth proportional to 4,116.20, 6,174.32 and 1,038.20 is: 1,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.20 : 6,174.32 = 1,038.20 : x
  2. Step 2: Convert to fraction form
    4,116.20/6,174.32 = 1,038.20/x
  3. Step 3: Cross multiply
    4,116.20x = 6,174.32 × 1,038.20
  4. Step 4: Simplify right side
    4,116.20x = 6,410,142.96
  5. Step 5: Solve for x
    x = 6,410,142.96/4,116.20
  6. Step 6: Final answer
    x = 1,557.30

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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.