Home / 7,309.21-10,966.36-2,312.36

Finding the Fourth Proportional to 7,309.21, 10,966.36 and 2,312.36

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Solution

The fourth proportional to 7,309.21, 10,966.36 and 2,312.36 is: 3,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.21 : 10,966.36 = 2,312.36 : x
  2. Step 2: Convert to fraction form
    7,309.21/10,966.36 = 2,312.36/x
  3. Step 3: Cross multiply
    7,309.21x = 10,966.36 × 2,312.36
  4. Step 4: Simplify right side
    7,309.21x = 25,358,117.38
  5. Step 5: Solve for x
    x = 25,358,117.38/7,309.21
  6. Step 6: Final answer
    x = 3,469.34

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1.5x scale

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.