Home / 6,728.40-9,272.34-5,045.49

Finding the Fourth Proportional to 6,728.40, 9,272.34 and 5,045.49

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Solution

The fourth proportional to 6,728.40, 9,272.34 and 5,045.49 is: 6,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.40 : 9,272.34 = 5,045.49 : x
  2. Step 2: Convert to fraction form
    6,728.40/9,272.34 = 5,045.49/x
  3. Step 3: Cross multiply
    6,728.40x = 9,272.34 × 5,045.49
  4. Step 4: Simplify right side
    6,728.40x = 46,783,498.75
  5. Step 5: Solve for x
    x = 46,783,498.75/6,728.40
  6. Step 6: Final answer
    x = 6,953.14

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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.