Home / 7,082.90-10,623.54-1,889.18

Finding the Fourth Proportional to 7,082.90, 10,623.54 and 1,889.18

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Solution

The fourth proportional to 7,082.90, 10,623.54 and 1,889.18 is: 2,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.90 : 10,623.54 = 1,889.18 : x
  2. Step 2: Convert to fraction form
    7,082.90/10,623.54 = 1,889.18/x
  3. Step 3: Cross multiply
    7,082.90x = 10,623.54 × 1,889.18
  4. Step 4: Simplify right side
    7,082.90x = 20,069,779.30
  5. Step 5: Solve for x
    x = 20,069,779.30/7,082.90
  6. Step 6: Final answer
    x = 2,833.55

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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.