Home / 6,927.15-9,549.59-4,272.78

Finding the Fourth Proportional to 6,927.15, 9,549.59 and 4,272.78

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Solution

The fourth proportional to 6,927.15, 9,549.59 and 4,272.78 is: 5,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.15 : 9,549.59 = 4,272.78 : x
  2. Step 2: Convert to fraction form
    6,927.15/9,549.59 = 4,272.78/x
  3. Step 3: Cross multiply
    6,927.15x = 9,549.59 × 4,272.78
  4. Step 4: Simplify right side
    6,927.15x = 40,803,275.80
  5. Step 5: Solve for x
    x = 40,803,275.80/6,927.15
  6. Step 6: Final answer
    x = 5,890.34

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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.