Home / 8,389.92-12,588.36-4,694.76

Finding the Fourth Proportional to 8,389.92, 12,588.36 and 4,694.76

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Solution

The fourth proportional to 8,389.92, 12,588.36 and 4,694.76 is: 7,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.92 : 12,588.36 = 4,694.76 : x
  2. Step 2: Convert to fraction form
    8,389.92/12,588.36 = 4,694.76/x
  3. Step 3: Cross multiply
    8,389.92x = 12,588.36 × 4,694.76
  4. Step 4: Simplify right side
    8,389.92x = 59,099,328.99
  5. Step 5: Solve for x
    x = 59,099,328.99/8,389.92
  6. Step 6: Final answer
    x = 7,044.09

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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.