Home / 7,094.02-9,789.36-3,907.20

Finding the Fourth Proportional to 7,094.02, 9,789.36 and 3,907.20

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Solution

The fourth proportional to 7,094.02, 9,789.36 and 3,907.20 is: 5,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.02 : 9,789.36 = 3,907.20 : x
  2. Step 2: Convert to fraction form
    7,094.02/9,789.36 = 3,907.20/x
  3. Step 3: Cross multiply
    7,094.02x = 9,789.36 × 3,907.20
  4. Step 4: Simplify right side
    7,094.02x = 38,248,987.39
  5. Step 5: Solve for x
    x = 38,248,987.39/7,094.02
  6. Step 6: Final answer
    x = 5,391.72

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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.