Home / 4,726.36-7,090.56-1,439.80

Finding the Fourth Proportional to 4,726.36, 7,090.56 and 1,439.80

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Solution

The fourth proportional to 4,726.36, 7,090.56 and 1,439.80 is: 2,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.36 : 7,090.56 = 1,439.80 : x
  2. Step 2: Convert to fraction form
    4,726.36/7,090.56 = 1,439.80/x
  3. Step 3: Cross multiply
    4,726.36x = 7,090.56 × 1,439.80
  4. Step 4: Simplify right side
    4,726.36x = 10,208,988.29
  5. Step 5: Solve for x
    x = 10,208,988.29/4,726.36
  6. Step 6: Final answer
    x = 2,160.01

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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.