Home / 5,160.16-7,120.56-3,064

Finding the Fourth Proportional to 5,160.16, 7,120.56 and 3,064

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Solution

The fourth proportional to 5,160.16, 7,120.56 and 3,064 is: 4,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.16 : 7,120.56 = 3,064 : x
  2. Step 2: Convert to fraction form
    5,160.16/7,120.56 = 3,064/x
  3. Step 3: Cross multiply
    5,160.16x = 7,120.56 × 3,064
  4. Step 4: Simplify right side
    5,160.16x = 21,817,395.84
  5. Step 5: Solve for x
    x = 21,817,395.84/5,160.16
  6. Step 6: Final answer
    x = 4,228.05

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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.