Home / 4,485.86-6,723.93-2,172.50

Finding the Fourth Proportional to 4,485.86, 6,723.93 and 2,172.50

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Solution

The fourth proportional to 4,485.86, 6,723.93 and 2,172.50 is: 3,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.86 : 6,723.93 = 2,172.50 : x
  2. Step 2: Convert to fraction form
    4,485.86/6,723.93 = 2,172.50/x
  3. Step 3: Cross multiply
    4,485.86x = 6,723.93 × 2,172.50
  4. Step 4: Simplify right side
    4,485.86x = 14,607,737.93
  5. Step 5: Solve for x
    x = 14,607,737.93/4,485.86
  6. Step 6: Final answer
    x = 3,256.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.