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Finding the Fourth Proportional to 5,347.89, 7,968.53 and 4,765.95

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Solution

The fourth proportional to 5,347.89, 7,968.53 and 4,765.95 is: 7,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.89 : 7,968.53 = 4,765.95 : x
  2. Step 2: Convert to fraction form
    5,347.89/7,968.53 = 4,765.95/x
  3. Step 3: Cross multiply
    5,347.89x = 7,968.53 × 4,765.95
  4. Step 4: Simplify right side
    5,347.89x = 37,977,627.47
  5. Step 5: Solve for x
    x = 37,977,627.47/5,347.89
  6. Step 6: Final answer
    x = 7,101.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.