Home / 9,127.42-13,693.56-2,887.55

Finding the Fourth Proportional to 9,127.42, 13,693.56 and 2,887.55

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Solution

The fourth proportional to 9,127.42, 13,693.56 and 2,887.55 is: 4,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.42 : 13,693.56 = 2,887.55 : x
  2. Step 2: Convert to fraction form
    9,127.42/13,693.56 = 2,887.55/x
  3. Step 3: Cross multiply
    9,127.42x = 13,693.56 × 2,887.55
  4. Step 4: Simplify right side
    9,127.42x = 39,540,839.18
  5. Step 5: Solve for x
    x = 39,540,839.18/9,127.42
  6. Step 6: Final answer
    x = 4,332.09

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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.