Home / 5,614.92-8,423.61-1,719.63

Finding the Fourth Proportional to 5,614.92, 8,423.61 and 1,719.63

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Solution

The fourth proportional to 5,614.92, 8,423.61 and 1,719.63 is: 2,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.92 : 8,423.61 = 1,719.63 : x
  2. Step 2: Convert to fraction form
    5,614.92/8,423.61 = 1,719.63/x
  3. Step 3: Cross multiply
    5,614.92x = 8,423.61 × 1,719.63
  4. Step 4: Simplify right side
    5,614.92x = 14,485,492.46
  5. Step 5: Solve for x
    x = 14,485,492.46/5,614.92
  6. Step 6: Final answer
    x = 2,579.82

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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.