Home / 7,485.81-11,231.95-4,019.01

Finding the Fourth Proportional to 7,485.81, 11,231.95 and 4,019.01

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Solution

The fourth proportional to 7,485.81, 11,231.95 and 4,019.01 is: 6,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.81 : 11,231.95 = 4,019.01 : x
  2. Step 2: Convert to fraction form
    7,485.81/11,231.95 = 4,019.01/x
  3. Step 3: Cross multiply
    7,485.81x = 11,231.95 × 4,019.01
  4. Step 4: Simplify right side
    7,485.81x = 45,141,319.37
  5. Step 5: Solve for x
    x = 45,141,319.37/7,485.81
  6. Step 6: Final answer
    x = 6,030.25

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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.