Home / 4,567.85-6,852.90-1,280.90

Finding the Fourth Proportional to 4,567.85, 6,852.90 and 1,280.90

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Solution

The fourth proportional to 4,567.85, 6,852.90 and 1,280.90 is: 1,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,567.85 : 6,852.90 = 1,280.90 : x
  2. Step 2: Convert to fraction form
    4,567.85/6,852.90 = 1,280.90/x
  3. Step 3: Cross multiply
    4,567.85x = 6,852.90 × 1,280.90
  4. Step 4: Simplify right side
    4,567.85x = 8,777,845.35
  5. Step 5: Solve for x
    x = 8,777,845.35/4,567.85
  6. Step 6: Final answer
    x = 1,921.66

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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.