Home / 4,750.16-7,120.37-2,405.82

Finding the Fourth Proportional to 4,750.16, 7,120.37 and 2,405.82

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Solution

The fourth proportional to 4,750.16, 7,120.37 and 2,405.82 is: 3,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.16 : 7,120.37 = 2,405.82 : x
  2. Step 2: Convert to fraction form
    4,750.16/7,120.37 = 2,405.82/x
  3. Step 3: Cross multiply
    4,750.16x = 7,120.37 × 2,405.82
  4. Step 4: Simplify right side
    4,750.16x = 17,130,328.55
  5. Step 5: Solve for x
    x = 17,130,328.55/4,750.16
  6. Step 6: Final answer
    x = 3,606.26

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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.