Home / 5,478.93-7,561.45-3,241.53

Finding the Fourth Proportional to 5,478.93, 7,561.45 and 3,241.53

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Solution

The fourth proportional to 5,478.93, 7,561.45 and 3,241.53 is: 4,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.93 : 7,561.45 = 3,241.53 : x
  2. Step 2: Convert to fraction form
    5,478.93/7,561.45 = 3,241.53/x
  3. Step 3: Cross multiply
    5,478.93x = 7,561.45 × 3,241.53
  4. Step 4: Simplify right side
    5,478.93x = 24,510,637.32
  5. Step 5: Solve for x
    x = 24,510,637.32/5,478.93
  6. Step 6: Final answer
    x = 4,473.62

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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.