Home / 5,417.14-8,126.01-1,719.10

Finding the Fourth Proportional to 5,417.14, 8,126.01 and 1,719.10

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Solution

The fourth proportional to 5,417.14, 8,126.01 and 1,719.10 is: 2,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.14 : 8,126.01 = 1,719.10 : x
  2. Step 2: Convert to fraction form
    5,417.14/8,126.01 = 1,719.10/x
  3. Step 3: Cross multiply
    5,417.14x = 8,126.01 × 1,719.10
  4. Step 4: Simplify right side
    5,417.14x = 13,969,423.79
  5. Step 5: Solve for x
    x = 13,969,423.79/5,417.14
  6. Step 6: Final answer
    x = 2,578.75

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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.