Home / 4,030.06-5,561.78-2,238.12

Finding the Fourth Proportional to 4,030.06, 5,561.78 and 2,238.12

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Solution

The fourth proportional to 4,030.06, 5,561.78 and 2,238.12 is: 3,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.06 : 5,561.78 = 2,238.12 : x
  2. Step 2: Convert to fraction form
    4,030.06/5,561.78 = 2,238.12/x
  3. Step 3: Cross multiply
    4,030.06x = 5,561.78 × 2,238.12
  4. Step 4: Simplify right side
    4,030.06x = 12,447,931.05
  5. Step 5: Solve for x
    x = 12,447,931.05/4,030.06
  6. Step 6: Final answer
    x = 3,088.77

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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.