Home / 5,990.29-8,981.69-1,828.91

Finding the Fourth Proportional to 5,990.29, 8,981.69 and 1,828.91

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Solution

The fourth proportional to 5,990.29, 8,981.69 and 1,828.91 is: 2,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.29 : 8,981.69 = 1,828.91 : x
  2. Step 2: Convert to fraction form
    5,990.29/8,981.69 = 1,828.91/x
  3. Step 3: Cross multiply
    5,990.29x = 8,981.69 × 1,828.91
  4. Step 4: Simplify right side
    5,990.29x = 16,426,715.97
  5. Step 5: Solve for x
    x = 16,426,715.97/5,990.29
  6. Step 6: Final answer
    x = 2,742.22

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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.