Home / 5,110.88-7,667.53-1,648.13

Finding the Fourth Proportional to 5,110.88, 7,667.53 and 1,648.13

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Solution

The fourth proportional to 5,110.88, 7,667.53 and 1,648.13 is: 2,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.88 : 7,667.53 = 1,648.13 : x
  2. Step 2: Convert to fraction form
    5,110.88/7,667.53 = 1,648.13/x
  3. Step 3: Cross multiply
    5,110.88x = 7,667.53 × 1,648.13
  4. Step 4: Simplify right side
    5,110.88x = 12,637,043.76
  5. Step 5: Solve for x
    x = 12,637,043.76/5,110.88
  6. Step 6: Final answer
    x = 2,472.58

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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.