Home / 6,871.61-10,299-3,935.63

Finding the Fourth Proportional to 6,871.61, 10,299 and 3,935.63

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Solution

The fourth proportional to 6,871.61, 10,299 and 3,935.63 is: 5,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.61 : 10,299 = 3,935.63 : x
  2. Step 2: Convert to fraction form
    6,871.61/10,299 = 3,935.63/x
  3. Step 3: Cross multiply
    6,871.61x = 10,299 × 3,935.63
  4. Step 4: Simplify right side
    6,871.61x = 40,533,053.37
  5. Step 5: Solve for x
    x = 40,533,053.37/6,871.61
  6. Step 6: Final answer
    x = 5,898.63

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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.