Home / 8,989.41-13,484.13-3,792.45

Finding the Fourth Proportional to 8,989.41, 13,484.13 and 3,792.45

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Solution

The fourth proportional to 8,989.41, 13,484.13 and 3,792.45 is: 5,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.41 : 13,484.13 = 3,792.45 : x
  2. Step 2: Convert to fraction form
    8,989.41/13,484.13 = 3,792.45/x
  3. Step 3: Cross multiply
    8,989.41x = 13,484.13 × 3,792.45
  4. Step 4: Simplify right side
    8,989.41x = 51,137,888.82
  5. Step 5: Solve for x
    x = 51,137,888.82/8,989.41
  6. Step 6: Final answer
    x = 5,688.68

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Similar ratio
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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.