Home / 4,721.84-7,085.98-1,948.51

Finding the Fourth Proportional to 4,721.84, 7,085.98 and 1,948.51

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Solution

The fourth proportional to 4,721.84, 7,085.98 and 1,948.51 is: 2,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.84 : 7,085.98 = 1,948.51 : x
  2. Step 2: Convert to fraction form
    4,721.84/7,085.98 = 1,948.51/x
  3. Step 3: Cross multiply
    4,721.84x = 7,085.98 × 1,948.51
  4. Step 4: Simplify right side
    4,721.84x = 13,807,074.32
  5. Step 5: Solve for x
    x = 13,807,074.32/4,721.84
  6. Step 6: Final answer
    x = 2,924.09

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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.