Home / 7,719.40-10,652.14-4,362.50

Finding the Fourth Proportional to 7,719.40, 10,652.14 and 4,362.50

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Solution

The fourth proportional to 7,719.40, 10,652.14 and 4,362.50 is: 6,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.40 : 10,652.14 = 4,362.50 : x
  2. Step 2: Convert to fraction form
    7,719.40/10,652.14 = 4,362.50/x
  3. Step 3: Cross multiply
    7,719.40x = 10,652.14 × 4,362.50
  4. Step 4: Simplify right side
    7,719.40x = 46,469,960.75
  5. Step 5: Solve for x
    x = 46,469,960.75/7,719.40
  6. Step 6: Final answer
    x = 6,019.89

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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.