Home / 7,701.89-10,610.60-6,371.46

Finding the Fourth Proportional to 7,701.89, 10,610.60 and 6,371.46

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Solution

The fourth proportional to 7,701.89, 10,610.60 and 6,371.46 is: 8,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.89 : 10,610.60 = 6,371.46 : x
  2. Step 2: Convert to fraction form
    7,701.89/10,610.60 = 6,371.46/x
  3. Step 3: Cross multiply
    7,701.89x = 10,610.60 × 6,371.46
  4. Step 4: Simplify right side
    7,701.89x = 67,604,981.62
  5. Step 5: Solve for x
    x = 67,604,981.62/7,701.89
  6. Step 6: Final answer
    x = 8,777.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.