Home / 6,871.55-10,307.33-1,677.42

Finding the Fourth Proportional to 6,871.55, 10,307.33 and 1,677.42

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Solution

The fourth proportional to 6,871.55, 10,307.33 and 1,677.42 is: 2,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.55 : 10,307.33 = 1,677.42 : x
  2. Step 2: Convert to fraction form
    6,871.55/10,307.33 = 1,677.42/x
  3. Step 3: Cross multiply
    6,871.55x = 10,307.33 × 1,677.42
  4. Step 4: Simplify right side
    6,871.55x = 17,289,713.10
  5. Step 5: Solve for x
    x = 17,289,713.10/6,871.55
  6. Step 6: Final answer
    x = 2,516.13

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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.