Home / 5,075.80-7,614.88-1,613.04

Finding the Fourth Proportional to 5,075.80, 7,614.88 and 1,613.04

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Solution

The fourth proportional to 5,075.80, 7,614.88 and 1,613.04 is: 2,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.80 : 7,614.88 = 1,613.04 : x
  2. Step 2: Convert to fraction form
    5,075.80/7,614.88 = 1,613.04/x
  3. Step 3: Cross multiply
    5,075.80x = 7,614.88 × 1,613.04
  4. Step 4: Simplify right side
    5,075.80x = 12,283,106.04
  5. Step 5: Solve for x
    x = 12,283,106.04/5,075.80
  6. Step 6: Final answer
    x = 2,419.93

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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.