Home / 4,157.28-6,235.32-1,235.16

Finding the Fourth Proportional to 4,157.28, 6,235.32 and 1,235.16

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Solution

The fourth proportional to 4,157.28, 6,235.32 and 1,235.16 is: 1,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.28 : 6,235.32 = 1,235.16 : x
  2. Step 2: Convert to fraction form
    4,157.28/6,235.32 = 1,235.16/x
  3. Step 3: Cross multiply
    4,157.28x = 6,235.32 × 1,235.16
  4. Step 4: Simplify right side
    4,157.28x = 7,701,617.85
  5. Step 5: Solve for x
    x = 7,701,617.85/4,157.28
  6. Step 6: Final answer
    x = 1,852.56

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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.