Home / 7,485.12-10,327.32-4,834.08

Finding the Fourth Proportional to 7,485.12, 10,327.32 and 4,834.08

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Solution

The fourth proportional to 7,485.12, 10,327.32 and 4,834.08 is: 6,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.12 : 10,327.32 = 4,834.08 : x
  2. Step 2: Convert to fraction form
    7,485.12/10,327.32 = 4,834.08/x
  3. Step 3: Cross multiply
    7,485.12x = 10,327.32 × 4,834.08
  4. Step 4: Simplify right side
    7,485.12x = 49,923,091.07
  5. Step 5: Solve for x
    x = 49,923,091.07/7,485.12
  6. Step 6: Final answer
    x = 6,669.64

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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.