Home / 5,203.63-7,808.96-1,919.35

Finding the Fourth Proportional to 5,203.63, 7,808.96 and 1,919.35

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Solution

The fourth proportional to 5,203.63, 7,808.96 and 1,919.35 is: 2,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.63 : 7,808.96 = 1,919.35 : x
  2. Step 2: Convert to fraction form
    5,203.63/7,808.96 = 1,919.35/x
  3. Step 3: Cross multiply
    5,203.63x = 7,808.96 × 1,919.35
  4. Step 4: Simplify right side
    5,203.63x = 14,988,127.38
  5. Step 5: Solve for x
    x = 14,988,127.38/5,203.63
  6. Step 6: Final answer
    x = 2,880.32

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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.