Home / 5,033.49-7,549.20-1,912.40

Finding the Fourth Proportional to 5,033.49, 7,549.20 and 1,912.40

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Solution

The fourth proportional to 5,033.49, 7,549.20 and 1,912.40 is: 2,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,033.49 : 7,549.20 = 1,912.40 : x
  2. Step 2: Convert to fraction form
    5,033.49/7,549.20 = 1,912.40/x
  3. Step 3: Cross multiply
    5,033.49x = 7,549.20 × 1,912.40
  4. Step 4: Simplify right side
    5,033.49x = 14,437,080.64
  5. Step 5: Solve for x
    x = 14,437,080.64/5,033.49
  6. Step 6: Final answer
    x = 2,868.21

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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.