Home / 7,387.54-10,189.58-4,401.07

Finding the Fourth Proportional to 7,387.54, 10,189.58 and 4,401.07

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Solution

The fourth proportional to 7,387.54, 10,189.58 and 4,401.07 is: 6,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.54 : 10,189.58 = 4,401.07 : x
  2. Step 2: Convert to fraction form
    7,387.54/10,189.58 = 4,401.07/x
  3. Step 3: Cross multiply
    7,387.54x = 10,189.58 × 4,401.07
  4. Step 4: Simplify right side
    7,387.54x = 44,845,003.90
  5. Step 5: Solve for x
    x = 44,845,003.90/7,387.54
  6. Step 6: Final answer
    x = 6,070.36

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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.