Home / 8,719.29-13,055.45-6,955.92

Finding the Fourth Proportional to 8,719.29, 13,055.45 and 6,955.92

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Solution

The fourth proportional to 8,719.29, 13,055.45 and 6,955.92 is: 10,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.29 : 13,055.45 = 6,955.92 : x
  2. Step 2: Convert to fraction form
    8,719.29/13,055.45 = 6,955.92/x
  3. Step 3: Cross multiply
    8,719.29x = 13,055.45 × 6,955.92
  4. Step 4: Simplify right side
    8,719.29x = 90,812,630.98
  5. Step 5: Solve for x
    x = 90,812,630.98/8,719.29
  6. Step 6: Final answer
    x = 10,415.14

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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.