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Finding the Fourth Proportional to 7,654.95, 10,563.93 and 4,511.13

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Solution

The fourth proportional to 7,654.95, 10,563.93 and 4,511.13 is: 6,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.95 : 10,563.93 = 4,511.13 : x
  2. Step 2: Convert to fraction form
    7,654.95/10,563.93 = 4,511.13/x
  3. Step 3: Cross multiply
    7,654.95x = 10,563.93 × 4,511.13
  4. Step 4: Simplify right side
    7,654.95x = 47,655,261.54
  5. Step 5: Solve for x
    x = 47,655,261.54/7,654.95
  6. Step 6: Final answer
    x = 6,225.42

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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.