Home / 4,511.36-6,762.78-1,587.80

Finding the Fourth Proportional to 4,511.36, 6,762.78 and 1,587.80

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Solution

The fourth proportional to 4,511.36, 6,762.78 and 1,587.80 is: 2,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.36 : 6,762.78 = 1,587.80 : x
  2. Step 2: Convert to fraction form
    4,511.36/6,762.78 = 1,587.80/x
  3. Step 3: Cross multiply
    4,511.36x = 6,762.78 × 1,587.80
  4. Step 4: Simplify right side
    4,511.36x = 10,737,908.27
  5. Step 5: Solve for x
    x = 10,737,908.27/4,511.36
  6. Step 6: Final answer
    x = 2,380.20

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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.