Home / 4,721.42-7,075.40-3,479.06

Finding the Fourth Proportional to 4,721.42, 7,075.40 and 3,479.06

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Solution

The fourth proportional to 4,721.42, 7,075.40 and 3,479.06 is: 5,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.42 : 7,075.40 = 3,479.06 : x
  2. Step 2: Convert to fraction form
    4,721.42/7,075.40 = 3,479.06/x
  3. Step 3: Cross multiply
    4,721.42x = 7,075.40 × 3,479.06
  4. Step 4: Simplify right side
    4,721.42x = 24,615,688.35
  5. Step 5: Solve for x
    x = 24,615,688.35/4,721.42
  6. Step 6: Final answer
    x = 5,213.63

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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.