Home / 8,066.64-12,078.84-5,284.56

Finding the Fourth Proportional to 8,066.64, 12,078.84 and 5,284.56

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Solution

The fourth proportional to 8,066.64, 12,078.84 and 5,284.56 is: 7,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.64 : 12,078.84 = 5,284.56 : x
  2. Step 2: Convert to fraction form
    8,066.64/12,078.84 = 5,284.56/x
  3. Step 3: Cross multiply
    8,066.64x = 12,078.84 × 5,284.56
  4. Step 4: Simplify right side
    8,066.64x = 63,831,354.71
  5. Step 5: Solve for x
    x = 63,831,354.71/8,066.64
  6. Step 6: Final answer
    x = 7,913.00

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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.