Home / 4,455.43-6,681.10-1,292.15

Finding the Fourth Proportional to 4,455.43, 6,681.10 and 1,292.15

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Solution

The fourth proportional to 4,455.43, 6,681.10 and 1,292.15 is: 1,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.43 : 6,681.10 = 1,292.15 : x
  2. Step 2: Convert to fraction form
    4,455.43/6,681.10 = 1,292.15/x
  3. Step 3: Cross multiply
    4,455.43x = 6,681.10 × 1,292.15
  4. Step 4: Simplify right side
    4,455.43x = 8,632,983.37
  5. Step 5: Solve for x
    x = 8,632,983.37/4,455.43
  6. Step 6: Final answer
    x = 1,937.63

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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.