Home / 9,211.12-13,818.98-2,970.98

Finding the Fourth Proportional to 9,211.12, 13,818.98 and 2,970.98

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Solution

The fourth proportional to 9,211.12, 13,818.98 and 2,970.98 is: 4,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.12 : 13,818.98 = 2,970.98 : x
  2. Step 2: Convert to fraction form
    9,211.12/13,818.98 = 2,970.98/x
  3. Step 3: Cross multiply
    9,211.12x = 13,818.98 × 2,970.98
  4. Step 4: Simplify right side
    9,211.12x = 41,055,895.00
  5. Step 5: Solve for x
    x = 41,055,895.00/9,211.12
  6. Step 6: Final answer
    x = 4,457.21

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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.