Home / 7,696.16-11,543.52-3,312.80

Finding the Fourth Proportional to 7,696.16, 11,543.52 and 3,312.80

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Solution

The fourth proportional to 7,696.16, 11,543.52 and 3,312.80 is: 4,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.16 : 11,543.52 = 3,312.80 : x
  2. Step 2: Convert to fraction form
    7,696.16/11,543.52 = 3,312.80/x
  3. Step 3: Cross multiply
    7,696.16x = 11,543.52 × 3,312.80
  4. Step 4: Simplify right side
    7,696.16x = 38,241,373.06
  5. Step 5: Solve for x
    x = 38,241,373.06/7,696.16
  6. Step 6: Final answer
    x = 4,968.89

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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.