Home / 7,145.46-10,717.47-2,465.28

Finding the Fourth Proportional to 7,145.46, 10,717.47 and 2,465.28

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Solution

The fourth proportional to 7,145.46, 10,717.47 and 2,465.28 is: 3,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.46 : 10,717.47 = 2,465.28 : x
  2. Step 2: Convert to fraction form
    7,145.46/10,717.47 = 2,465.28/x
  3. Step 3: Cross multiply
    7,145.46x = 10,717.47 × 2,465.28
  4. Step 4: Simplify right side
    7,145.46x = 26,421,564.44
  5. Step 5: Solve for x
    x = 26,421,564.44/7,145.46
  6. Step 6: Final answer
    x = 3,697.67

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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.