Home / 4,659.23-6,987.37-1,538.66

Finding the Fourth Proportional to 4,659.23, 6,987.37 and 1,538.66

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Solution

The fourth proportional to 4,659.23, 6,987.37 and 1,538.66 is: 2,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.23 : 6,987.37 = 1,538.66 : x
  2. Step 2: Convert to fraction form
    4,659.23/6,987.37 = 1,538.66/x
  3. Step 3: Cross multiply
    4,659.23x = 6,987.37 × 1,538.66
  4. Step 4: Simplify right side
    4,659.23x = 10,751,144.09
  5. Step 5: Solve for x
    x = 10,751,144.09/4,659.23
  6. Step 6: Final answer
    x = 2,307.49

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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.