Home / 5,085.30-7,626.60-1,575.30

Finding the Fourth Proportional to 5,085.30, 7,626.60 and 1,575.30

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Solution

The fourth proportional to 5,085.30, 7,626.60 and 1,575.30 is: 2,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.30 : 7,626.60 = 1,575.30 : x
  2. Step 2: Convert to fraction form
    5,085.30/7,626.60 = 1,575.30/x
  3. Step 3: Cross multiply
    5,085.30x = 7,626.60 × 1,575.30
  4. Step 4: Simplify right side
    5,085.30x = 12,014,182.98
  5. Step 5: Solve for x
    x = 12,014,182.98/5,085.30
  6. Step 6: Final answer
    x = 2,362.53

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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.