Home / 6,886.53-10,328.78-1,956.06

Finding the Fourth Proportional to 6,886.53, 10,328.78 and 1,956.06

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Solution

The fourth proportional to 6,886.53, 10,328.78 and 1,956.06 is: 2,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.53 : 10,328.78 = 1,956.06 : x
  2. Step 2: Convert to fraction form
    6,886.53/10,328.78 = 1,956.06/x
  3. Step 3: Cross multiply
    6,886.53x = 10,328.78 × 1,956.06
  4. Step 4: Simplify right side
    6,886.53x = 20,203,718.30
  5. Step 5: Solve for x
    x = 20,203,718.30/6,886.53
  6. Step 6: Final answer
    x = 2,933.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.