Home / 5,307.56-7,955.34-2,705

Finding the Fourth Proportional to 5,307.56, 7,955.34 and 2,705

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Solution

The fourth proportional to 5,307.56, 7,955.34 and 2,705 is: 4,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.56 : 7,955.34 = 2,705 : x
  2. Step 2: Convert to fraction form
    5,307.56/7,955.34 = 2,705/x
  3. Step 3: Cross multiply
    5,307.56x = 7,955.34 × 2,705
  4. Step 4: Simplify right side
    5,307.56x = 21,519,194.70
  5. Step 5: Solve for x
    x = 21,519,194.70/5,307.56
  6. Step 6: Final answer
    x = 4,054.44

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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.