Home / 7,335.33-10,122.89-3,978.26

Finding the Fourth Proportional to 7,335.33, 10,122.89 and 3,978.26

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Solution

The fourth proportional to 7,335.33, 10,122.89 and 3,978.26 is: 5,490.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.33 : 10,122.89 = 3,978.26 : x
  2. Step 2: Convert to fraction form
    7,335.33/10,122.89 = 3,978.26/x
  3. Step 3: Cross multiply
    7,335.33x = 10,122.89 × 3,978.26
  4. Step 4: Simplify right side
    7,335.33x = 40,271,417.87
  5. Step 5: Solve for x
    x = 40,271,417.87/7,335.33
  6. Step 6: Final answer
    x = 5,490.06

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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.