Home / 7,069.80-10,595.98-2,907.21

Finding the Fourth Proportional to 7,069.80, 10,595.98 and 2,907.21

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Solution

The fourth proportional to 7,069.80, 10,595.98 and 2,907.21 is: 4,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.80 : 10,595.98 = 2,907.21 : x
  2. Step 2: Convert to fraction form
    7,069.80/10,595.98 = 2,907.21/x
  3. Step 3: Cross multiply
    7,069.80x = 10,595.98 × 2,907.21
  4. Step 4: Simplify right side
    7,069.80x = 30,804,739.02
  5. Step 5: Solve for x
    x = 30,804,739.02/7,069.80
  6. Step 6: Final answer
    x = 4,357.23

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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.