Home / 5,614.28-8,421.10-1,718.38

Finding the Fourth Proportional to 5,614.28, 8,421.10 and 1,718.38

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Solution

The fourth proportional to 5,614.28, 8,421.10 and 1,718.38 is: 2,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.28 : 8,421.10 = 1,718.38 : x
  2. Step 2: Convert to fraction form
    5,614.28/8,421.10 = 1,718.38/x
  3. Step 3: Cross multiply
    5,614.28x = 8,421.10 × 1,718.38
  4. Step 4: Simplify right side
    5,614.28x = 14,470,649.82
  5. Step 5: Solve for x
    x = 14,470,649.82/5,614.28
  6. Step 6: Final answer
    x = 2,577.47

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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.