Home / 5,213.12-7,804.56-4,055.36

Finding the Fourth Proportional to 5,213.12, 7,804.56 and 4,055.36

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Solution

The fourth proportional to 5,213.12, 7,804.56 and 4,055.36 is: 6,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.12 : 7,804.56 = 4,055.36 : x
  2. Step 2: Convert to fraction form
    5,213.12/7,804.56 = 4,055.36/x
  3. Step 3: Cross multiply
    5,213.12x = 7,804.56 × 4,055.36
  4. Step 4: Simplify right side
    5,213.12x = 31,650,300.44
  5. Step 5: Solve for x
    x = 31,650,300.44/5,213.12
  6. Step 6: Final answer
    x = 6,071.28

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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.