Home / 7,603.02-11,405.73-3,220.50

Finding the Fourth Proportional to 7,603.02, 11,405.73 and 3,220.50

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Solution

The fourth proportional to 7,603.02, 11,405.73 and 3,220.50 is: 4,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.02 : 11,405.73 = 3,220.50 : x
  2. Step 2: Convert to fraction form
    7,603.02/11,405.73 = 3,220.50/x
  3. Step 3: Cross multiply
    7,603.02x = 11,405.73 × 3,220.50
  4. Step 4: Simplify right side
    7,603.02x = 36,732,153.47
  5. Step 5: Solve for x
    x = 36,732,153.47/7,603.02
  6. Step 6: Final answer
    x = 4,831.26

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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.