Home / 4,885.92-7,319.67-2,907.39

Finding the Fourth Proportional to 4,885.92, 7,319.67 and 2,907.39

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Solution

The fourth proportional to 4,885.92, 7,319.67 and 2,907.39 is: 4,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.92 : 7,319.67 = 2,907.39 : x
  2. Step 2: Convert to fraction form
    4,885.92/7,319.67 = 2,907.39/x
  3. Step 3: Cross multiply
    4,885.92x = 7,319.67 × 2,907.39
  4. Step 4: Simplify right side
    4,885.92x = 21,281,151.91
  5. Step 5: Solve for x
    x = 21,281,151.91/4,885.92
  6. Step 6: Final answer
    x = 4,355.61

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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.