Home / 7,619.04-11,420.16-4,325.04

Finding the Fourth Proportional to 7,619.04, 11,420.16 and 4,325.04

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Solution

The fourth proportional to 7,619.04, 11,420.16 and 4,325.04 is: 6,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.04 : 11,420.16 = 4,325.04 : x
  2. Step 2: Convert to fraction form
    7,619.04/11,420.16 = 4,325.04/x
  3. Step 3: Cross multiply
    7,619.04x = 11,420.16 × 4,325.04
  4. Step 4: Simplify right side
    7,619.04x = 49,392,648.81
  5. Step 5: Solve for x
    x = 49,392,648.81/7,619.04
  6. Step 6: Final answer
    x = 6,482.79

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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.