Home / 7,020.90-10,522.26-2,856.08

Finding the Fourth Proportional to 7,020.90, 10,522.26 and 2,856.08

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Solution

The fourth proportional to 7,020.90, 10,522.26 and 2,856.08 is: 4,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.90 : 10,522.26 = 2,856.08 : x
  2. Step 2: Convert to fraction form
    7,020.90/10,522.26 = 2,856.08/x
  3. Step 3: Cross multiply
    7,020.90x = 10,522.26 × 2,856.08
  4. Step 4: Simplify right side
    7,020.90x = 30,052,416.34
  5. Step 5: Solve for x
    x = 30,052,416.34/7,020.90
  6. Step 6: Final answer
    x = 4,280.42

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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.