Home / 9,102.78-13,642.02-4,416.93

Finding the Fourth Proportional to 9,102.78, 13,642.02 and 4,416.93

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Solution

The fourth proportional to 9,102.78, 13,642.02 and 4,416.93 is: 6,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.78 : 13,642.02 = 4,416.93 : x
  2. Step 2: Convert to fraction form
    9,102.78/13,642.02 = 4,416.93/x
  3. Step 3: Cross multiply
    9,102.78x = 13,642.02 × 4,416.93
  4. Step 4: Simplify right side
    9,102.78x = 60,255,847.40
  5. Step 5: Solve for x
    x = 60,255,847.40/9,102.78
  6. Step 6: Final answer
    x = 6,619.50

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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.