Home / 5,637.54-7,780.41-3,280.98

Finding the Fourth Proportional to 5,637.54, 7,780.41 and 3,280.98

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Solution

The fourth proportional to 5,637.54, 7,780.41 and 3,280.98 is: 4,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.54 : 7,780.41 = 3,280.98 : x
  2. Step 2: Convert to fraction form
    5,637.54/7,780.41 = 3,280.98/x
  3. Step 3: Cross multiply
    5,637.54x = 7,780.41 × 3,280.98
  4. Step 4: Simplify right side
    5,637.54x = 25,527,369.60
  5. Step 5: Solve for x
    x = 25,527,369.60/5,637.54
  6. Step 6: Final answer
    x = 4,528.10

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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.