Home / 8,923.87-12,314.53-4,890.68

Finding the Fourth Proportional to 8,923.87, 12,314.53 and 4,890.68

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Solution

The fourth proportional to 8,923.87, 12,314.53 and 4,890.68 is: 6,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.87 : 12,314.53 = 4,890.68 : x
  2. Step 2: Convert to fraction form
    8,923.87/12,314.53 = 4,890.68/x
  3. Step 3: Cross multiply
    8,923.87x = 12,314.53 × 4,890.68
  4. Step 4: Simplify right side
    8,923.87x = 60,226,425.58
  5. Step 5: Solve for x
    x = 60,226,425.58/8,923.87
  6. Step 6: Final answer
    x = 6,748.91

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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.