Home / 6,401.40-8,828.52-4,162.16

Finding the Fourth Proportional to 6,401.40, 8,828.52 and 4,162.16

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Solution

The fourth proportional to 6,401.40, 8,828.52 and 4,162.16 is: 5,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.40 : 8,828.52 = 4,162.16 : x
  2. Step 2: Convert to fraction form
    6,401.40/8,828.52 = 4,162.16/x
  3. Step 3: Cross multiply
    6,401.40x = 8,828.52 × 4,162.16
  4. Step 4: Simplify right side
    6,401.40x = 36,745,712.80
  5. Step 5: Solve for x
    x = 36,745,712.80/6,401.40
  6. Step 6: Final answer
    x = 5,740.26

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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.