Home / 7,391.43-10,197.60-4,740.30

Finding the Fourth Proportional to 7,391.43, 10,197.60 and 4,740.30

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Solution

The fourth proportional to 7,391.43, 10,197.60 and 4,740.30 is: 6,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.43 : 10,197.60 = 4,740.30 : x
  2. Step 2: Convert to fraction form
    7,391.43/10,197.60 = 4,740.30/x
  3. Step 3: Cross multiply
    7,391.43x = 10,197.60 × 4,740.30
  4. Step 4: Simplify right side
    7,391.43x = 48,339,683.28
  5. Step 5: Solve for x
    x = 48,339,683.28/7,391.43
  6. Step 6: Final answer
    x = 6,539.96

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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.