Home / 4,186.75-6,275.72-1,412.45

Finding the Fourth Proportional to 4,186.75, 6,275.72 and 1,412.45

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Solution

The fourth proportional to 4,186.75, 6,275.72 and 1,412.45 is: 2,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.75 : 6,275.72 = 1,412.45 : x
  2. Step 2: Convert to fraction form
    4,186.75/6,275.72 = 1,412.45/x
  3. Step 3: Cross multiply
    4,186.75x = 6,275.72 × 1,412.45
  4. Step 4: Simplify right side
    4,186.75x = 8,864,140.71
  5. Step 5: Solve for x
    x = 8,864,140.71/4,186.75
  6. Step 6: Final answer
    x = 2,117.19

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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.