Home / 9,122.21-12,588.58-5,088.99

Finding the Fourth Proportional to 9,122.21, 12,588.58 and 5,088.99

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Solution

The fourth proportional to 9,122.21, 12,588.58 and 5,088.99 is: 7,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.21 : 12,588.58 = 5,088.99 : x
  2. Step 2: Convert to fraction form
    9,122.21/12,588.58 = 5,088.99/x
  3. Step 3: Cross multiply
    9,122.21x = 12,588.58 × 5,088.99
  4. Step 4: Simplify right side
    9,122.21x = 64,063,157.73
  5. Step 5: Solve for x
    x = 64,063,157.73/9,122.21
  6. Step 6: Final answer
    x = 7,022.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.