Home / 4,237.17-6,356.79-1,315.50

Finding the Fourth Proportional to 4,237.17, 6,356.79 and 1,315.50

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Solution

The fourth proportional to 4,237.17, 6,356.79 and 1,315.50 is: 1,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.17 : 6,356.79 = 1,315.50 : x
  2. Step 2: Convert to fraction form
    4,237.17/6,356.79 = 1,315.50/x
  3. Step 3: Cross multiply
    4,237.17x = 6,356.79 × 1,315.50
  4. Step 4: Simplify right side
    4,237.17x = 8,362,350.67
  5. Step 5: Solve for x
    x = 8,362,350.67/4,237.17
  6. Step 6: Final answer
    x = 1,973.57

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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.