Home / 6,871.19-10,306.81-1,677.06

Finding the Fourth Proportional to 6,871.19, 10,306.81 and 1,677.06

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Solution

The fourth proportional to 6,871.19, 10,306.81 and 1,677.06 is: 2,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.19 : 10,306.81 = 1,677.06 : x
  2. Step 2: Convert to fraction form
    6,871.19/10,306.81 = 1,677.06/x
  3. Step 3: Cross multiply
    6,871.19x = 10,306.81 × 1,677.06
  4. Step 4: Simplify right side
    6,871.19x = 17,285,173.24
  5. Step 5: Solve for x
    x = 17,285,173.24/6,871.19
  6. Step 6: Final answer
    x = 2,515.60

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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.