Home / 5,066.64-6,990.93-3,078.09

Finding the Fourth Proportional to 5,066.64, 6,990.93 and 3,078.09

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Solution

The fourth proportional to 5,066.64, 6,990.93 and 3,078.09 is: 4,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.64 : 6,990.93 = 3,078.09 : x
  2. Step 2: Convert to fraction form
    5,066.64/6,990.93 = 3,078.09/x
  3. Step 3: Cross multiply
    5,066.64x = 6,990.93 × 3,078.09
  4. Step 4: Simplify right side
    5,066.64x = 21,518,711.72
  5. Step 5: Solve for x
    x = 21,518,711.72/5,066.64
  6. Step 6: Final answer
    x = 4,247.14

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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.