Home / 8,931.57-13,398.77-3,088.63

Finding the Fourth Proportional to 8,931.57, 13,398.77 and 3,088.63

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Solution

The fourth proportional to 8,931.57, 13,398.77 and 3,088.63 is: 4,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.57 : 13,398.77 = 3,088.63 : x
  2. Step 2: Convert to fraction form
    8,931.57/13,398.77 = 3,088.63/x
  3. Step 3: Cross multiply
    8,931.57x = 13,398.77 × 3,088.63
  4. Step 4: Simplify right side
    8,931.57x = 41,383,842.99
  5. Step 5: Solve for x
    x = 41,383,842.99/8,931.57
  6. Step 6: Final answer
    x = 4,633.43

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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.