Home / 4,082.90-6,119.55-1,886.99

Finding the Fourth Proportional to 4,082.90, 6,119.55 and 1,886.99

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Solution

The fourth proportional to 4,082.90, 6,119.55 and 1,886.99 is: 2,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.90 : 6,119.55 = 1,886.99 : x
  2. Step 2: Convert to fraction form
    4,082.90/6,119.55 = 1,886.99/x
  3. Step 3: Cross multiply
    4,082.90x = 6,119.55 × 1,886.99
  4. Step 4: Simplify right side
    4,082.90x = 11,547,499.06
  5. Step 5: Solve for x
    x = 11,547,499.06/4,082.90
  6. Step 6: Final answer
    x = 2,828.26

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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.