Home / 5,003.28-6,904.05-2,764.80

Finding the Fourth Proportional to 5,003.28, 6,904.05 and 2,764.80

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Solution

The fourth proportional to 5,003.28, 6,904.05 and 2,764.80 is: 3,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.28 : 6,904.05 = 2,764.80 : x
  2. Step 2: Convert to fraction form
    5,003.28/6,904.05 = 2,764.80/x
  3. Step 3: Cross multiply
    5,003.28x = 6,904.05 × 2,764.80
  4. Step 4: Simplify right side
    5,003.28x = 19,088,303.21
  5. Step 5: Solve for x
    x = 19,088,303.21/5,003.28
  6. Step 6: Final answer
    x = 3,815.16

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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.