Home / 5,280.63-7,923.67-2,683.56

Finding the Fourth Proportional to 5,280.63, 7,923.67 and 2,683.56

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Solution

The fourth proportional to 5,280.63, 7,923.67 and 2,683.56 is: 4,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.63 : 7,923.67 = 2,683.56 : x
  2. Step 2: Convert to fraction form
    5,280.63/7,923.67 = 2,683.56/x
  3. Step 3: Cross multiply
    5,280.63x = 7,923.67 × 2,683.56
  4. Step 4: Simplify right side
    5,280.63x = 21,263,643.87
  5. Step 5: Solve for x
    x = 21,263,643.87/5,280.63
  6. Step 6: Final answer
    x = 4,026.72

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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.