Home / 6,417.39-9,619.40-3,125.96

Finding the Fourth Proportional to 6,417.39, 9,619.40 and 3,125.96

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Solution

The fourth proportional to 6,417.39, 9,619.40 and 3,125.96 is: 4,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.39 : 9,619.40 = 3,125.96 : x
  2. Step 2: Convert to fraction form
    6,417.39/9,619.40 = 3,125.96/x
  3. Step 3: Cross multiply
    6,417.39x = 9,619.40 × 3,125.96
  4. Step 4: Simplify right side
    6,417.39x = 30,069,795.90
  5. Step 5: Solve for x
    x = 30,069,795.90/6,417.39
  6. Step 6: Final answer
    x = 4,685.67

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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.