Home / 6,075.40-9,116.70-4,427.80

Finding the Fourth Proportional to 6,075.40, 9,116.70 and 4,427.80

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Solution

The fourth proportional to 6,075.40, 9,116.70 and 4,427.80 is: 6,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.40 : 9,116.70 = 4,427.80 : x
  2. Step 2: Convert to fraction form
    6,075.40/9,116.70 = 4,427.80/x
  3. Step 3: Cross multiply
    6,075.40x = 9,116.70 × 4,427.80
  4. Step 4: Simplify right side
    6,075.40x = 40,366,924.26
  5. Step 5: Solve for x
    x = 40,366,924.26/6,075.40
  6. Step 6: Final answer
    x = 6,644.32

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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.