Home / 7,972.36-11,000.28-4,828.84

Finding the Fourth Proportional to 7,972.36, 11,000.28 and 4,828.84

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Solution

The fourth proportional to 7,972.36, 11,000.28 and 4,828.84 is: 6,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.36 : 11,000.28 = 4,828.84 : x
  2. Step 2: Convert to fraction form
    7,972.36/11,000.28 = 4,828.84/x
  3. Step 3: Cross multiply
    7,972.36x = 11,000.28 × 4,828.84
  4. Step 4: Simplify right side
    7,972.36x = 53,118,592.08
  5. Step 5: Solve for x
    x = 53,118,592.08/7,972.36
  6. Step 6: Final answer
    x = 6,662.84

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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.