Home / 7,430.45-10,253.75-4,447.94

Finding the Fourth Proportional to 7,430.45, 10,253.75 and 4,447.94

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Solution

The fourth proportional to 7,430.45, 10,253.75 and 4,447.94 is: 6,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.45 : 10,253.75 = 4,447.94 : x
  2. Step 2: Convert to fraction form
    7,430.45/10,253.75 = 4,447.94/x
  3. Step 3: Cross multiply
    7,430.45x = 10,253.75 × 4,447.94
  4. Step 4: Simplify right side
    7,430.45x = 45,607,991.27
  5. Step 5: Solve for x
    x = 45,607,991.27/7,430.45
  6. Step 6: Final answer
    x = 6,137.99

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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.