Home / 5,416.66-8,125.03-1,718.90

Finding the Fourth Proportional to 5,416.66, 8,125.03 and 1,718.90

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Solution

The fourth proportional to 5,416.66, 8,125.03 and 1,718.90 is: 2,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.66 : 8,125.03 = 1,718.90 : x
  2. Step 2: Convert to fraction form
    5,416.66/8,125.03 = 1,718.90/x
  3. Step 3: Cross multiply
    5,416.66x = 8,125.03 × 1,718.90
  4. Step 4: Simplify right side
    5,416.66x = 13,966,114.07
  5. Step 5: Solve for x
    x = 13,966,114.07/5,416.66
  6. Step 6: Final answer
    x = 2,578.36

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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.