Home / 7,489.21-10,333.81-4,802.78

Finding the Fourth Proportional to 7,489.21, 10,333.81 and 4,802.78

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Solution

The fourth proportional to 7,489.21, 10,333.81 and 4,802.78 is: 6,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.21 : 10,333.81 = 4,802.78 : x
  2. Step 2: Convert to fraction form
    7,489.21/10,333.81 = 4,802.78/x
  3. Step 3: Cross multiply
    7,489.21x = 10,333.81 × 4,802.78
  4. Step 4: Simplify right side
    7,489.21x = 49,631,015.99
  5. Step 5: Solve for x
    x = 49,631,015.99/7,489.21
  6. Step 6: Final answer
    x = 6,627.00

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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.