Home / 8,172.74-12,243.63-4,830.98

Finding the Fourth Proportional to 8,172.74, 12,243.63 and 4,830.98

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Solution

The fourth proportional to 8,172.74, 12,243.63 and 4,830.98 is: 7,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.74 : 12,243.63 = 4,830.98 : x
  2. Step 2: Convert to fraction form
    8,172.74/12,243.63 = 4,830.98/x
  3. Step 3: Cross multiply
    8,172.74x = 12,243.63 × 4,830.98
  4. Step 4: Simplify right side
    8,172.74x = 59,148,670.44
  5. Step 5: Solve for x
    x = 59,148,670.44/8,172.74
  6. Step 6: Final answer
    x = 7,237.32

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1.5x scale

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.