Home / 7,360.51-11,040.45-1,813.59

Finding the Fourth Proportional to 7,360.51, 11,040.45 and 1,813.59

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Solution

The fourth proportional to 7,360.51, 11,040.45 and 1,813.59 is: 2,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.51 : 11,040.45 = 1,813.59 : x
  2. Step 2: Convert to fraction form
    7,360.51/11,040.45 = 1,813.59/x
  3. Step 3: Cross multiply
    7,360.51x = 11,040.45 × 1,813.59
  4. Step 4: Simplify right side
    7,360.51x = 20,022,840.65
  5. Step 5: Solve for x
    x = 20,022,840.65/7,360.51
  6. Step 6: Final answer
    x = 2,720.31

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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.