Home / 5,313.78-7,932.30-4,929.18

Finding the Fourth Proportional to 5,313.78, 7,932.30 and 4,929.18

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Solution

The fourth proportional to 5,313.78, 7,932.30 and 4,929.18 is: 7,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.78 : 7,932.30 = 4,929.18 : x
  2. Step 2: Convert to fraction form
    5,313.78/7,932.30 = 4,929.18/x
  3. Step 3: Cross multiply
    5,313.78x = 7,932.30 × 4,929.18
  4. Step 4: Simplify right side
    5,313.78x = 39,099,734.51
  5. Step 5: Solve for x
    x = 39,099,734.51/5,313.78
  6. Step 6: Final answer
    x = 7,358.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.