Home / 4,873.28-7,312.36-2,278.08

Finding the Fourth Proportional to 4,873.28, 7,312.36 and 2,278.08

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Solution

The fourth proportional to 4,873.28, 7,312.36 and 2,278.08 is: 3,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.28 : 7,312.36 = 2,278.08 : x
  2. Step 2: Convert to fraction form
    4,873.28/7,312.36 = 2,278.08/x
  3. Step 3: Cross multiply
    4,873.28x = 7,312.36 × 2,278.08
  4. Step 4: Simplify right side
    4,873.28x = 16,658,141.07
  5. Step 5: Solve for x
    x = 16,658,141.07/4,873.28
  6. Step 6: Final answer
    x = 3,418.26

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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.