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Finding the Fourth Proportional to 4,802.96, 6,622.74 and 3,938.00

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Solution

The fourth proportional to 4,802.96, 6,622.74 and 3,938.00 is: 5,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.96 : 6,622.74 = 3,938.00 : x
  2. Step 2: Convert to fraction form
    4,802.96/6,622.74 = 3,938.00/x
  3. Step 3: Cross multiply
    4,802.96x = 6,622.74 × 3,938.00
  4. Step 4: Simplify right side
    4,802.96x = 26,080,317.01
  5. Step 5: Solve for x
    x = 26,080,317.01/4,802.96
  6. Step 6: Final answer
    x = 5,430.05

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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.