Home / 6,125.15-9,186.03-1,681.75

Finding the Fourth Proportional to 6,125.15, 9,186.03 and 1,681.75

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Solution

The fourth proportional to 6,125.15, 9,186.03 and 1,681.75 is: 2,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.15 : 9,186.03 = 1,681.75 : x
  2. Step 2: Convert to fraction form
    6,125.15/9,186.03 = 1,681.75/x
  3. Step 3: Cross multiply
    6,125.15x = 9,186.03 × 1,681.75
  4. Step 4: Simplify right side
    6,125.15x = 15,448,617.44
  5. Step 5: Solve for x
    x = 15,448,617.44/6,125.15
  6. Step 6: Final answer
    x = 2,522.16

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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.