Home / 4,443.20-6,129.74-3,117.77

Finding the Fourth Proportional to 4,443.20, 6,129.74 and 3,117.77

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Solution

The fourth proportional to 4,443.20, 6,129.74 and 3,117.77 is: 4,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.20 : 6,129.74 = 3,117.77 : x
  2. Step 2: Convert to fraction form
    4,443.20/6,129.74 = 3,117.77/x
  3. Step 3: Cross multiply
    4,443.20x = 6,129.74 × 3,117.77
  4. Step 4: Simplify right side
    4,443.20x = 19,111,119.61
  5. Step 5: Solve for x
    x = 19,111,119.61/4,443.20
  6. Step 6: Final answer
    x = 4,301.21

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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.