Home / 4,215.54-6,324.57-1,875.23

Finding the Fourth Proportional to 4,215.54, 6,324.57 and 1,875.23

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Solution

The fourth proportional to 4,215.54, 6,324.57 and 1,875.23 is: 2,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.54 : 6,324.57 = 1,875.23 : x
  2. Step 2: Convert to fraction form
    4,215.54/6,324.57 = 1,875.23/x
  3. Step 3: Cross multiply
    4,215.54x = 6,324.57 × 1,875.23
  4. Step 4: Simplify right side
    4,215.54x = 11,859,991.78
  5. Step 5: Solve for x
    x = 11,859,991.78/4,215.54
  6. Step 6: Final answer
    x = 2,813.40

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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.