Home / 7,075.20-9,763.96-4,243.04

Finding the Fourth Proportional to 7,075.20, 9,763.96 and 4,243.04

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Solution

The fourth proportional to 7,075.20, 9,763.96 and 4,243.04 is: 5,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.20 : 9,763.96 = 4,243.04 : x
  2. Step 2: Convert to fraction form
    7,075.20/9,763.96 = 4,243.04/x
  3. Step 3: Cross multiply
    7,075.20x = 9,763.96 × 4,243.04
  4. Step 4: Simplify right side
    7,075.20x = 41,428,824.02
  5. Step 5: Solve for x
    x = 41,428,824.02/7,075.20
  6. Step 6: Final answer
    x = 5,855.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.