Home / 7,361.52-11,038.08-2,430.80

Finding the Fourth Proportional to 7,361.52, 11,038.08 and 2,430.80

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Solution

The fourth proportional to 7,361.52, 11,038.08 and 2,430.80 is: 3,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.52 : 11,038.08 = 2,430.80 : x
  2. Step 2: Convert to fraction form
    7,361.52/11,038.08 = 2,430.80/x
  3. Step 3: Cross multiply
    7,361.52x = 11,038.08 × 2,430.80
  4. Step 4: Simplify right side
    7,361.52x = 26,831,364.86
  5. Step 5: Solve for x
    x = 26,831,364.86/7,361.52
  6. Step 6: Final answer
    x = 3,644.81

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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.