Home / 4,238.46-6,357.56-1,315.98

Finding the Fourth Proportional to 4,238.46, 6,357.56 and 1,315.98

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Solution

The fourth proportional to 4,238.46, 6,357.56 and 1,315.98 is: 1,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.46 : 6,357.56 = 1,315.98 : x
  2. Step 2: Convert to fraction form
    4,238.46/6,357.56 = 1,315.98/x
  3. Step 3: Cross multiply
    4,238.46x = 6,357.56 × 1,315.98
  4. Step 4: Simplify right side
    4,238.46x = 8,366,415.23
  5. Step 5: Solve for x
    x = 8,366,415.23/4,238.46
  6. Step 6: Final answer
    x = 1,973.93

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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.