Home / 4,811.24-7,219.29-1,889.57

Finding the Fourth Proportional to 4,811.24, 7,219.29 and 1,889.57

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Solution

The fourth proportional to 4,811.24, 7,219.29 and 1,889.57 is: 2,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.24 : 7,219.29 = 1,889.57 : x
  2. Step 2: Convert to fraction form
    4,811.24/7,219.29 = 1,889.57/x
  3. Step 3: Cross multiply
    4,811.24x = 7,219.29 × 1,889.57
  4. Step 4: Simplify right side
    4,811.24x = 13,641,317.71
  5. Step 5: Solve for x
    x = 13,641,317.71/4,811.24
  6. Step 6: Final answer
    x = 2,835.30

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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.