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Finding the Fourth Proportional to 9,094.50, 12,550.68 and 5,368.50

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Solution

The fourth proportional to 9,094.50, 12,550.68 and 5,368.50 is: 7,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,094.50 : 12,550.68 = 5,368.50 : x
  2. Step 2: Convert to fraction form
    9,094.50/12,550.68 = 5,368.50/x
  3. Step 3: Cross multiply
    9,094.50x = 12,550.68 × 5,368.50
  4. Step 4: Simplify right side
    9,094.50x = 67,378,325.58
  5. Step 5: Solve for x
    x = 67,378,325.58/9,094.50
  6. Step 6: Final answer
    x = 7,408.69

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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.