Home / 4,811.13-7,215.73-1,648.40

Finding the Fourth Proportional to 4,811.13, 7,215.73 and 1,648.40

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Solution

The fourth proportional to 4,811.13, 7,215.73 and 1,648.40 is: 2,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.13 : 7,215.73 = 1,648.40 : x
  2. Step 2: Convert to fraction form
    4,811.13/7,215.73 = 1,648.40/x
  3. Step 3: Cross multiply
    4,811.13x = 7,215.73 × 1,648.40
  4. Step 4: Simplify right side
    4,811.13x = 11,894,369.13
  5. Step 5: Solve for x
    x = 11,894,369.13/4,811.13
  6. Step 6: Final answer
    x = 2,472.26

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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.