Home / 5,511.22-7,582.95-4,762.78

Finding the Fourth Proportional to 5,511.22, 7,582.95 and 4,762.78

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Solution

The fourth proportional to 5,511.22, 7,582.95 and 4,762.78 is: 6,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.22 : 7,582.95 = 4,762.78 : x
  2. Step 2: Convert to fraction form
    5,511.22/7,582.95 = 4,762.78/x
  3. Step 3: Cross multiply
    5,511.22x = 7,582.95 × 4,762.78
  4. Step 4: Simplify right side
    5,511.22x = 36,115,922.60
  5. Step 5: Solve for x
    x = 36,115,922.60/5,511.22
  6. Step 6: Final answer
    x = 6,553.16

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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.