Home / 5,075.04-7,615.31-2,609.21

Finding the Fourth Proportional to 5,075.04, 7,615.31 and 2,609.21

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Solution

The fourth proportional to 5,075.04, 7,615.31 and 2,609.21 is: 3,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.04 : 7,615.31 = 2,609.21 : x
  2. Step 2: Convert to fraction form
    5,075.04/7,615.31 = 2,609.21/x
  3. Step 3: Cross multiply
    5,075.04x = 7,615.31 × 2,609.21
  4. Step 4: Simplify right side
    5,075.04x = 19,869,891.88
  5. Step 5: Solve for x
    x = 19,869,891.88/5,075.04
  6. Step 6: Final answer
    x = 3,915.22

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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.