Home / 4,259.51-6,389.21-1,486.13

Finding the Fourth Proportional to 4,259.51, 6,389.21 and 1,486.13

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Solution

The fourth proportional to 4,259.51, 6,389.21 and 1,486.13 is: 2,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.51 : 6,389.21 = 1,486.13 : x
  2. Step 2: Convert to fraction form
    4,259.51/6,389.21 = 1,486.13/x
  3. Step 3: Cross multiply
    4,259.51x = 6,389.21 × 1,486.13
  4. Step 4: Simplify right side
    4,259.51x = 9,495,157.28
  5. Step 5: Solve for x
    x = 9,495,157.28/4,259.51
  6. Step 6: Final answer
    x = 2,229.17

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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.