Home / 6,871.22-10,307.45-1,940.93

Finding the Fourth Proportional to 6,871.22, 10,307.45 and 1,940.93

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Solution

The fourth proportional to 6,871.22, 10,307.45 and 1,940.93 is: 2,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.22 : 10,307.45 = 1,940.93 : x
  2. Step 2: Convert to fraction form
    6,871.22/10,307.45 = 1,940.93/x
  3. Step 3: Cross multiply
    6,871.22x = 10,307.45 × 1,940.93
  4. Step 4: Simplify right side
    6,871.22x = 20,006,038.93
  5. Step 5: Solve for x
    x = 20,006,038.93/6,871.22
  6. Step 6: Final answer
    x = 2,911.57

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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.