Home / 4,721.54-7,085.51-1,948.19

Finding the Fourth Proportional to 4,721.54, 7,085.51 and 1,948.19

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Solution

The fourth proportional to 4,721.54, 7,085.51 and 1,948.19 is: 2,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.54 : 7,085.51 = 1,948.19 : x
  2. Step 2: Convert to fraction form
    4,721.54/7,085.51 = 1,948.19/x
  3. Step 3: Cross multiply
    4,721.54x = 7,085.51 × 1,948.19
  4. Step 4: Simplify right side
    4,721.54x = 13,803,919.73
  5. Step 5: Solve for x
    x = 13,803,919.73/4,721.54
  6. Step 6: Final answer
    x = 2,923.61

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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.