Home / 6,761.79-10,129.23-5,294.07

Finding the Fourth Proportional to 6,761.79, 10,129.23 and 5,294.07

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Solution

The fourth proportional to 6,761.79, 10,129.23 and 5,294.07 is: 7,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.79 : 10,129.23 = 5,294.07 : x
  2. Step 2: Convert to fraction form
    6,761.79/10,129.23 = 5,294.07/x
  3. Step 3: Cross multiply
    6,761.79x = 10,129.23 × 5,294.07
  4. Step 4: Simplify right side
    6,761.79x = 53,624,852.67
  5. Step 5: Solve for x
    x = 53,624,852.67/6,761.79
  6. Step 6: Final answer
    x = 7,930.57

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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.