Home / 4,812.03-6,643.62-3,690.81

Finding the Fourth Proportional to 4,812.03, 6,643.62 and 3,690.81

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Solution

The fourth proportional to 4,812.03, 6,643.62 and 3,690.81 is: 5,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.03 : 6,643.62 = 3,690.81 : x
  2. Step 2: Convert to fraction form
    4,812.03/6,643.62 = 3,690.81/x
  3. Step 3: Cross multiply
    4,812.03x = 6,643.62 × 3,690.81
  4. Step 4: Simplify right side
    4,812.03x = 24,520,339.13
  5. Step 5: Solve for x
    x = 24,520,339.13/4,812.03
  6. Step 6: Final answer
    x = 5,095.63

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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.