Home / 6,275.64-8,660.55-3,885.99

Finding the Fourth Proportional to 6,275.64, 8,660.55 and 3,885.99

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Solution

The fourth proportional to 6,275.64, 8,660.55 and 3,885.99 is: 5,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.64 : 8,660.55 = 3,885.99 : x
  2. Step 2: Convert to fraction form
    6,275.64/8,660.55 = 3,885.99/x
  3. Step 3: Cross multiply
    6,275.64x = 8,660.55 × 3,885.99
  4. Step 4: Simplify right side
    6,275.64x = 33,654,810.69
  5. Step 5: Solve for x
    x = 33,654,810.69/6,275.64
  6. Step 6: Final answer
    x = 5,362.77

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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.