Home / 7,574.12-11,360.46-2,643.80

Finding the Fourth Proportional to 7,574.12, 11,360.46 and 2,643.80

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Solution

The fourth proportional to 7,574.12, 11,360.46 and 2,643.80 is: 3,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.12 : 11,360.46 = 2,643.80 : x
  2. Step 2: Convert to fraction form
    7,574.12/11,360.46 = 2,643.80/x
  3. Step 3: Cross multiply
    7,574.12x = 11,360.46 × 2,643.80
  4. Step 4: Simplify right side
    7,574.12x = 30,034,784.15
  5. Step 5: Solve for x
    x = 30,034,784.15/7,574.12
  6. Step 6: Final answer
    x = 3,965.45

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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.