Home / 5,208.04-7,813.43-1,921.16

Finding the Fourth Proportional to 5,208.04, 7,813.43 and 1,921.16

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Solution

The fourth proportional to 5,208.04, 7,813.43 and 1,921.16 is: 2,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.04 : 7,813.43 = 1,921.16 : x
  2. Step 2: Convert to fraction form
    5,208.04/7,813.43 = 1,921.16/x
  3. Step 3: Cross multiply
    5,208.04x = 7,813.43 × 1,921.16
  4. Step 4: Simplify right side
    5,208.04x = 15,010,859.11
  5. Step 5: Solve for x
    x = 15,010,859.11/5,208.04
  6. Step 6: Final answer
    x = 2,882.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.