Home / 4,675.23-7,012.74-1,390.53

Finding the Fourth Proportional to 4,675.23, 7,012.74 and 1,390.53

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Solution

The fourth proportional to 4,675.23, 7,012.74 and 1,390.53 is: 2,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.23 : 7,012.74 = 1,390.53 : x
  2. Step 2: Convert to fraction form
    4,675.23/7,012.74 = 1,390.53/x
  3. Step 3: Cross multiply
    4,675.23x = 7,012.74 × 1,390.53
  4. Step 4: Simplify right side
    4,675.23x = 9,751,425.35
  5. Step 5: Solve for x
    x = 9,751,425.35/4,675.23
  6. Step 6: Final answer
    x = 2,085.76

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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.