Home / 6,423.48-9,612.43-3,783.29

Finding the Fourth Proportional to 6,423.48, 9,612.43 and 3,783.29

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Solution

The fourth proportional to 6,423.48, 9,612.43 and 3,783.29 is: 5,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.48 : 9,612.43 = 3,783.29 : x
  2. Step 2: Convert to fraction form
    6,423.48/9,612.43 = 3,783.29/x
  3. Step 3: Cross multiply
    6,423.48x = 9,612.43 × 3,783.29
  4. Step 4: Simplify right side
    6,423.48x = 36,366,552.77
  5. Step 5: Solve for x
    x = 36,366,552.77/6,423.48
  6. Step 6: Final answer
    x = 5,661.50

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Double scale
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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.