Home / 7,919.96-10,929.30-4,383.08

Finding the Fourth Proportional to 7,919.96, 10,929.30 and 4,383.08

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Solution

The fourth proportional to 7,919.96, 10,929.30 and 4,383.08 is: 6,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.96 : 10,929.30 = 4,383.08 : x
  2. Step 2: Convert to fraction form
    7,919.96/10,929.30 = 4,383.08/x
  3. Step 3: Cross multiply
    7,919.96x = 10,929.30 × 4,383.08
  4. Step 4: Simplify right side
    7,919.96x = 47,903,996.24
  5. Step 5: Solve for x
    x = 47,903,996.24/7,919.96
  6. Step 6: Final answer
    x = 6,048.51

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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.