Home / 4,475.12-6,175.54-2,485.64

Finding the Fourth Proportional to 4,475.12, 6,175.54 and 2,485.64

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Solution

The fourth proportional to 4,475.12, 6,175.54 and 2,485.64 is: 3,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.12 : 6,175.54 = 2,485.64 : x
  2. Step 2: Convert to fraction form
    4,475.12/6,175.54 = 2,485.64/x
  3. Step 3: Cross multiply
    4,475.12x = 6,175.54 × 2,485.64
  4. Step 4: Simplify right side
    4,475.12x = 15,350,169.25
  5. Step 5: Solve for x
    x = 15,350,169.25/4,475.12
  6. Step 6: Final answer
    x = 3,430.11

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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.