Home / 10,545.39-15,802.44-4,297.77

Finding the Fourth Proportional to 10,545.39, 15,802.44 and 4,297.77

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Solution

The fourth proportional to 10,545.39, 15,802.44 and 4,297.77 is: 6,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.39 : 15,802.44 = 4,297.77 : x
  2. Step 2: Convert to fraction form
    10,545.39/15,802.44 = 4,297.77/x
  3. Step 3: Cross multiply
    10,545.39x = 15,802.44 × 4,297.77
  4. Step 4: Simplify right side
    10,545.39x = 67,915,252.56
  5. Step 5: Solve for x
    x = 67,915,252.56/10,545.39
  6. Step 6: Final answer
    x = 6,440.28

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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.