Home / 7,389.50-10,197.60-4,245.80

Finding the Fourth Proportional to 7,389.50, 10,197.60 and 4,245.80

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Solution

The fourth proportional to 7,389.50, 10,197.60 and 4,245.80 is: 5,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.50 : 10,197.60 = 4,245.80 : x
  2. Step 2: Convert to fraction form
    7,389.50/10,197.60 = 4,245.80/x
  3. Step 3: Cross multiply
    7,389.50x = 10,197.60 × 4,245.80
  4. Step 4: Simplify right side
    7,389.50x = 43,296,970.08
  5. Step 5: Solve for x
    x = 43,296,970.08/7,389.50
  6. Step 6: Final answer
    x = 5,859.26

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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.