Home / 6,927.89-9,560.55-3,784.13

Finding the Fourth Proportional to 6,927.89, 9,560.55 and 3,784.13

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Solution

The fourth proportional to 6,927.89, 9,560.55 and 3,784.13 is: 5,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.89 : 9,560.55 = 3,784.13 : x
  2. Step 2: Convert to fraction form
    6,927.89/9,560.55 = 3,784.13/x
  3. Step 3: Cross multiply
    6,927.89x = 9,560.55 × 3,784.13
  4. Step 4: Simplify right side
    6,927.89x = 36,178,364.07
  5. Step 5: Solve for x
    x = 36,178,364.07/6,927.89
  6. Step 6: Final answer
    x = 5,222.13

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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.