Home / 6,275.36-8,660.08-3,480.96

Finding the Fourth Proportional to 6,275.36, 8,660.08 and 3,480.96

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Solution

The fourth proportional to 6,275.36, 8,660.08 and 3,480.96 is: 4,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.36 : 8,660.08 = 3,480.96 : x
  2. Step 2: Convert to fraction form
    6,275.36/8,660.08 = 3,480.96/x
  3. Step 3: Cross multiply
    6,275.36x = 8,660.08 × 3,480.96
  4. Step 4: Simplify right side
    6,275.36x = 30,145,392.08
  5. Step 5: Solve for x
    x = 30,145,392.08/6,275.36
  6. Step 6: Final answer
    x = 4,803.77

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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.