Home / 8,923.66-12,314.75-4,890.60

Finding the Fourth Proportional to 8,923.66, 12,314.75 and 4,890.60

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Solution

The fourth proportional to 8,923.66, 12,314.75 and 4,890.60 is: 6,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.66 : 12,314.75 = 4,890.60 : x
  2. Step 2: Convert to fraction form
    8,923.66/12,314.75 = 4,890.60/x
  3. Step 3: Cross multiply
    8,923.66x = 12,314.75 × 4,890.60
  4. Step 4: Simplify right side
    8,923.66x = 60,226,528.58
  5. Step 5: Solve for x
    x = 60,226,528.58/8,923.66
  6. Step 6: Final answer
    x = 6,749.09

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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.