Home / 7,645.76-11,462.13-3,484.29

Finding the Fourth Proportional to 7,645.76, 11,462.13 and 3,484.29

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Solution

The fourth proportional to 7,645.76, 11,462.13 and 3,484.29 is: 5,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.76 : 11,462.13 = 3,484.29 : x
  2. Step 2: Convert to fraction form
    7,645.76/11,462.13 = 3,484.29/x
  3. Step 3: Cross multiply
    7,645.76x = 11,462.13 × 3,484.29
  4. Step 4: Simplify right side
    7,645.76x = 39,937,384.94
  5. Step 5: Solve for x
    x = 39,937,384.94/7,645.76
  6. Step 6: Final answer
    x = 5,223.47

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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.