Home / 6,901.61-10,352.76-1,971.98

Finding the Fourth Proportional to 6,901.61, 10,352.76 and 1,971.98

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Solution

The fourth proportional to 6,901.61, 10,352.76 and 1,971.98 is: 2,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.61 : 10,352.76 = 1,971.98 : x
  2. Step 2: Convert to fraction form
    6,901.61/10,352.76 = 1,971.98/x
  3. Step 3: Cross multiply
    6,901.61x = 10,352.76 × 1,971.98
  4. Step 4: Simplify right side
    6,901.61x = 20,415,454.15
  5. Step 5: Solve for x
    x = 20,415,454.15/6,901.61
  6. Step 6: Final answer
    x = 2,958.07

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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.