Home / 4,810.28-7,215.56-2,858.16

Finding the Fourth Proportional to 4,810.28, 7,215.56 and 2,858.16

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Solution

The fourth proportional to 4,810.28, 7,215.56 and 2,858.16 is: 4,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.28 : 7,215.56 = 2,858.16 : x
  2. Step 2: Convert to fraction form
    4,810.28/7,215.56 = 2,858.16/x
  3. Step 3: Cross multiply
    4,810.28x = 7,215.56 × 2,858.16
  4. Step 4: Simplify right side
    4,810.28x = 20,623,224.97
  5. Step 5: Solve for x
    x = 20,623,224.97/4,810.28
  6. Step 6: Final answer
    x = 4,287.32

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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.