Home / 7,094.18-9,789.88-3,907.41

Finding the Fourth Proportional to 7,094.18, 9,789.88 and 3,907.41

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Solution

The fourth proportional to 7,094.18, 9,789.88 and 3,907.41 is: 5,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.18 : 9,789.88 = 3,907.41 : x
  2. Step 2: Convert to fraction form
    7,094.18/9,789.88 = 3,907.41/x
  3. Step 3: Cross multiply
    7,094.18x = 9,789.88 × 3,907.41
  4. Step 4: Simplify right side
    7,094.18x = 38,253,075.01
  5. Step 5: Solve for x
    x = 38,253,075.01/7,094.18
  6. Step 6: Final answer
    x = 5,392.18

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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.