Home / 8,172.35-12,260.58-2,328.94

Finding the Fourth Proportional to 8,172.35, 12,260.58 and 2,328.94

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Solution

The fourth proportional to 8,172.35, 12,260.58 and 2,328.94 is: 3,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.35 : 12,260.58 = 2,328.94 : x
  2. Step 2: Convert to fraction form
    8,172.35/12,260.58 = 2,328.94/x
  3. Step 3: Cross multiply
    8,172.35x = 12,260.58 × 2,328.94
  4. Step 4: Simplify right side
    8,172.35x = 28,554,155.19
  5. Step 5: Solve for x
    x = 28,554,155.19/8,172.35
  6. Step 6: Final answer
    x = 3,494.00

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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.