Home / 6,401.41-8,826.39-4,385.79

Finding the Fourth Proportional to 6,401.41, 8,826.39 and 4,385.79

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Solution

The fourth proportional to 6,401.41, 8,826.39 and 4,385.79 is: 6,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.41 : 8,826.39 = 4,385.79 : x
  2. Step 2: Convert to fraction form
    6,401.41/8,826.39 = 4,385.79/x
  3. Step 3: Cross multiply
    6,401.41x = 8,826.39 × 4,385.79
  4. Step 4: Simplify right side
    6,401.41x = 38,710,693.00
  5. Step 5: Solve for x
    x = 38,710,693.00/6,401.41
  6. Step 6: Final answer
    x = 6,047.21

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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.