Home / 5,075.90-7,613.58-1,612.88

Finding the Fourth Proportional to 5,075.90, 7,613.58 and 1,612.88

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Solution

The fourth proportional to 5,075.90, 7,613.58 and 1,612.88 is: 2,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.90 : 7,613.58 = 1,612.88 : x
  2. Step 2: Convert to fraction form
    5,075.90/7,613.58 = 1,612.88/x
  3. Step 3: Cross multiply
    5,075.90x = 7,613.58 × 1,612.88
  4. Step 4: Simplify right side
    5,075.90x = 12,279,790.91
  5. Step 5: Solve for x
    x = 12,279,790.91/5,075.90
  6. Step 6: Final answer
    x = 2,419.23

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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.