Home / 5,021.08-6,929.12-2,783.12

Finding the Fourth Proportional to 5,021.08, 6,929.12 and 2,783.12

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Solution

The fourth proportional to 5,021.08, 6,929.12 and 2,783.12 is: 3,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.08 : 6,929.12 = 2,783.12 : x
  2. Step 2: Convert to fraction form
    5,021.08/6,929.12 = 2,783.12/x
  3. Step 3: Cross multiply
    5,021.08x = 6,929.12 × 2,783.12
  4. Step 4: Simplify right side
    5,021.08x = 19,284,544.77
  5. Step 5: Solve for x
    x = 19,284,544.77/5,021.08
  6. Step 6: Final answer
    x = 3,840.72

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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.