Home / 6,545.36-9,820.54-2,385.65

Finding the Fourth Proportional to 6,545.36, 9,820.54 and 2,385.65

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Solution

The fourth proportional to 6,545.36, 9,820.54 and 2,385.65 is: 3,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.36 : 9,820.54 = 2,385.65 : x
  2. Step 2: Convert to fraction form
    6,545.36/9,820.54 = 2,385.65/x
  3. Step 3: Cross multiply
    6,545.36x = 9,820.54 × 2,385.65
  4. Step 4: Simplify right side
    6,545.36x = 23,428,398.78
  5. Step 5: Solve for x
    x = 23,428,398.78/6,545.36
  6. Step 6: Final answer
    x = 3,579.39

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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.