Home / 8,539.90-12,810.32-2,696.98

Finding the Fourth Proportional to 8,539.90, 12,810.32 and 2,696.98

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Solution

The fourth proportional to 8,539.90, 12,810.32 and 2,696.98 is: 4,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.90 : 12,810.32 = 2,696.98 : x
  2. Step 2: Convert to fraction form
    8,539.90/12,810.32 = 2,696.98/x
  3. Step 3: Cross multiply
    8,539.90x = 12,810.32 × 2,696.98
  4. Step 4: Simplify right side
    8,539.90x = 34,549,176.83
  5. Step 5: Solve for x
    x = 34,549,176.83/8,539.90
  6. Step 6: Final answer
    x = 4,045.62

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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.