Home / 5,205.98-7,790.34-4,858.40

Finding the Fourth Proportional to 5,205.98, 7,790.34 and 4,858.40

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Solution

The fourth proportional to 5,205.98, 7,790.34 and 4,858.40 is: 7,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.98 : 7,790.34 = 4,858.40 : x
  2. Step 2: Convert to fraction form
    5,205.98/7,790.34 = 4,858.40/x
  3. Step 3: Cross multiply
    5,205.98x = 7,790.34 × 4,858.40
  4. Step 4: Simplify right side
    5,205.98x = 37,848,587.86
  5. Step 5: Solve for x
    x = 37,848,587.86/5,205.98
  6. Step 6: Final answer
    x = 7,270.21

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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.