Home / 6,545.48-9,032.78-3,561.31

Finding the Fourth Proportional to 6,545.48, 9,032.78 and 3,561.31

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Solution

The fourth proportional to 6,545.48, 9,032.78 and 3,561.31 is: 4,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.48 : 9,032.78 = 3,561.31 : x
  2. Step 2: Convert to fraction form
    6,545.48/9,032.78 = 3,561.31/x
  3. Step 3: Cross multiply
    6,545.48x = 9,032.78 × 3,561.31
  4. Step 4: Simplify right side
    6,545.48x = 32,168,511.94
  5. Step 5: Solve for x
    x = 32,168,511.94/6,545.48
  6. Step 6: Final answer
    x = 4,914.62

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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.