Home / 4,567.58-6,851.67-1,280.80

Finding the Fourth Proportional to 4,567.58, 6,851.67 and 1,280.80

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Solution

The fourth proportional to 4,567.58, 6,851.67 and 1,280.80 is: 1,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,567.58 : 6,851.67 = 1,280.80 : x
  2. Step 2: Convert to fraction form
    4,567.58/6,851.67 = 1,280.80/x
  3. Step 3: Cross multiply
    4,567.58x = 6,851.67 × 1,280.80
  4. Step 4: Simplify right side
    4,567.58x = 8,775,618.94
  5. Step 5: Solve for x
    x = 8,775,618.94/4,567.58
  6. Step 6: Final answer
    x = 1,921.28

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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.