Home / 6,885.80-10,327.58-1,954.21

Finding the Fourth Proportional to 6,885.80, 10,327.58 and 1,954.21

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Solution

The fourth proportional to 6,885.80, 10,327.58 and 1,954.21 is: 2,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.80 : 10,327.58 = 1,954.21 : x
  2. Step 2: Convert to fraction form
    6,885.80/10,327.58 = 1,954.21/x
  3. Step 3: Cross multiply
    6,885.80x = 10,327.58 × 1,954.21
  4. Step 4: Simplify right side
    6,885.80x = 20,182,260.11
  5. Step 5: Solve for x
    x = 20,182,260.11/6,885.80
  6. Step 6: Final answer
    x = 2,931.00

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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.