Home / 6,712.30-9,263.21-3,728.19

Finding the Fourth Proportional to 6,712.30, 9,263.21 and 3,728.19

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Solution

The fourth proportional to 6,712.30, 9,263.21 and 3,728.19 is: 5,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.30 : 9,263.21 = 3,728.19 : x
  2. Step 2: Convert to fraction form
    6,712.30/9,263.21 = 3,728.19/x
  3. Step 3: Cross multiply
    6,712.30x = 9,263.21 × 3,728.19
  4. Step 4: Simplify right side
    6,712.30x = 34,535,006.89
  5. Step 5: Solve for x
    x = 34,535,006.89/6,712.30
  6. Step 6: Final answer
    x = 5,145.03

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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.