Home / 8,934.39-12,330.36-4,956.28

Finding the Fourth Proportional to 8,934.39, 12,330.36 and 4,956.28

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Solution

The fourth proportional to 8,934.39, 12,330.36 and 4,956.28 is: 6,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.39 : 12,330.36 = 4,956.28 : x
  2. Step 2: Convert to fraction form
    8,934.39/12,330.36 = 4,956.28/x
  3. Step 3: Cross multiply
    8,934.39x = 12,330.36 × 4,956.28
  4. Step 4: Simplify right side
    8,934.39x = 61,112,716.66
  5. Step 5: Solve for x
    x = 61,112,716.66/8,934.39
  6. Step 6: Final answer
    x = 6,840.17

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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.