Home / 8,522.98-11,761.80-4,985.50

Finding the Fourth Proportional to 8,522.98, 11,761.80 and 4,985.50

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Solution

The fourth proportional to 8,522.98, 11,761.80 and 4,985.50 is: 6,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.98 : 11,761.80 = 4,985.50 : x
  2. Step 2: Convert to fraction form
    8,522.98/11,761.80 = 4,985.50/x
  3. Step 3: Cross multiply
    8,522.98x = 11,761.80 × 4,985.50
  4. Step 4: Simplify right side
    8,522.98x = 58,638,453.90
  5. Step 5: Solve for x
    x = 58,638,453.90/8,522.98
  6. Step 6: Final answer
    x = 6,880.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.