Home / 8,862.68-13,297.08-3,935.76

Finding the Fourth Proportional to 8,862.68, 13,297.08 and 3,935.76

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Solution

The fourth proportional to 8,862.68, 13,297.08 and 3,935.76 is: 5,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.68 : 13,297.08 = 3,935.76 : x
  2. Step 2: Convert to fraction form
    8,862.68/13,297.08 = 3,935.76/x
  3. Step 3: Cross multiply
    8,862.68x = 13,297.08 × 3,935.76
  4. Step 4: Simplify right side
    8,862.68x = 52,334,115.58
  5. Step 5: Solve for x
    x = 52,334,115.58/8,862.68
  6. Step 6: Final answer
    x = 5,905.00

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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.