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Finding the Fourth Proportional to 8,768.34, 13,154.63 and 2,925.41

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Solution

The fourth proportional to 8,768.34, 13,154.63 and 2,925.41 is: 4,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.34 : 13,154.63 = 2,925.41 : x
  2. Step 2: Convert to fraction form
    8,768.34/13,154.63 = 2,925.41/x
  3. Step 3: Cross multiply
    8,768.34x = 13,154.63 × 2,925.41
  4. Step 4: Simplify right side
    8,768.34x = 38,482,605.75
  5. Step 5: Solve for x
    x = 38,482,605.75/8,768.34
  6. Step 6: Final answer
    x = 4,388.81

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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.