Home / 8,643.46-11,929.11-4,867.36

Finding the Fourth Proportional to 8,643.46, 11,929.11 and 4,867.36

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Solution

The fourth proportional to 8,643.46, 11,929.11 and 4,867.36 is: 6,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.46 : 11,929.11 = 4,867.36 : x
  2. Step 2: Convert to fraction form
    8,643.46/11,929.11 = 4,867.36/x
  3. Step 3: Cross multiply
    8,643.46x = 11,929.11 × 4,867.36
  4. Step 4: Simplify right side
    8,643.46x = 58,063,258.32
  5. Step 5: Solve for x
    x = 58,063,258.32/8,643.46
  6. Step 6: Final answer
    x = 6,717.60

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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.