Home / 7,651.82-10,545.20-5,970.56

Finding the Fourth Proportional to 7,651.82, 10,545.20 and 5,970.56

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Solution

The fourth proportional to 7,651.82, 10,545.20 and 5,970.56 is: 8,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.82 : 10,545.20 = 5,970.56 : x
  2. Step 2: Convert to fraction form
    7,651.82/10,545.20 = 5,970.56/x
  3. Step 3: Cross multiply
    7,651.82x = 10,545.20 × 5,970.56
  4. Step 4: Simplify right side
    7,651.82x = 62,960,749.31
  5. Step 5: Solve for x
    x = 62,960,749.31/7,651.82
  6. Step 6: Final answer
    x = 8,228.21

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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.