Home / 5,100.98-7,038.92-3,085.13

Finding the Fourth Proportional to 5,100.98, 7,038.92 and 3,085.13

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Solution

The fourth proportional to 5,100.98, 7,038.92 and 3,085.13 is: 4,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.98 : 7,038.92 = 3,085.13 : x
  2. Step 2: Convert to fraction form
    5,100.98/7,038.92 = 3,085.13/x
  3. Step 3: Cross multiply
    5,100.98x = 7,038.92 × 3,085.13
  4. Step 4: Simplify right side
    5,100.98x = 21,716,008.57
  5. Step 5: Solve for x
    x = 21,716,008.57/5,100.98
  6. Step 6: Final answer
    x = 4,257.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.