Home / 7,705.04-11,548.26-3,539.30

Finding the Fourth Proportional to 7,705.04, 11,548.26 and 3,539.30

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Solution

The fourth proportional to 7,705.04, 11,548.26 and 3,539.30 is: 5,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.04 : 11,548.26 = 3,539.30 : x
  2. Step 2: Convert to fraction form
    7,705.04/11,548.26 = 3,539.30/x
  3. Step 3: Cross multiply
    7,705.04x = 11,548.26 × 3,539.30
  4. Step 4: Simplify right side
    7,705.04x = 40,872,756.62
  5. Step 5: Solve for x
    x = 40,872,756.62/7,705.04
  6. Step 6: Final answer
    x = 5,304.68

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1.5x scale

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.