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Finding the Fourth Proportional to 7,184.66, 9,919.73 and 5,503.10

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Solution

The fourth proportional to 7,184.66, 9,919.73 and 5,503.10 is: 7,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.66 : 9,919.73 = 5,503.10 : x
  2. Step 2: Convert to fraction form
    7,184.66/9,919.73 = 5,503.10/x
  3. Step 3: Cross multiply
    7,184.66x = 9,919.73 × 5,503.10
  4. Step 4: Simplify right side
    7,184.66x = 54,589,230.32
  5. Step 5: Solve for x
    x = 54,589,230.32/7,184.66
  6. Step 6: Final answer
    x = 7,598.03

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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.