Home / 8,858.85-13,280.73-3,925.80

Finding the Fourth Proportional to 8,858.85, 13,280.73 and 3,925.80

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Solution

The fourth proportional to 8,858.85, 13,280.73 and 3,925.80 is: 5,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.85 : 13,280.73 = 3,925.80 : x
  2. Step 2: Convert to fraction form
    8,858.85/13,280.73 = 3,925.80/x
  3. Step 3: Cross multiply
    8,858.85x = 13,280.73 × 3,925.80
  4. Step 4: Simplify right side
    8,858.85x = 52,137,423.43
  5. Step 5: Solve for x
    x = 52,137,423.43/8,858.85
  6. Step 6: Final answer
    x = 5,885.35

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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.