Home / 5,905.80-8,858.70-4,966.20

Finding the Fourth Proportional to 5,905.80, 8,858.70 and 4,966.20

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Solution

The fourth proportional to 5,905.80, 8,858.70 and 4,966.20 is: 7,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.80 : 8,858.70 = 4,966.20 : x
  2. Step 2: Convert to fraction form
    5,905.80/8,858.70 = 4,966.20/x
  3. Step 3: Cross multiply
    5,905.80x = 8,858.70 × 4,966.20
  4. Step 4: Simplify right side
    5,905.80x = 43,994,075.94
  5. Step 5: Solve for x
    x = 43,994,075.94/5,905.80
  6. Step 6: Final answer
    x = 7,449.30

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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.