Home / 7,389.86-10,199.00-4,737.92

Finding the Fourth Proportional to 7,389.86, 10,199.00 and 4,737.92

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Solution

The fourth proportional to 7,389.86, 10,199.00 and 4,737.92 is: 6,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.86 : 10,199.00 = 4,737.92 : x
  2. Step 2: Convert to fraction form
    7,389.86/10,199.00 = 4,737.92/x
  3. Step 3: Cross multiply
    7,389.86x = 10,199.00 × 4,737.92
  4. Step 4: Simplify right side
    7,389.86x = 48,322,022.39
  5. Step 5: Solve for x
    x = 48,322,022.39/7,389.86
  6. Step 6: Final answer
    x = 6,538.96

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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.