Home / 4,259.87-5,877.56-2,918.28

Finding the Fourth Proportional to 4,259.87, 5,877.56 and 2,918.28

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Solution

The fourth proportional to 4,259.87, 5,877.56 and 2,918.28 is: 4,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.87 : 5,877.56 = 2,918.28 : x
  2. Step 2: Convert to fraction form
    4,259.87/5,877.56 = 2,918.28/x
  3. Step 3: Cross multiply
    4,259.87x = 5,877.56 × 2,918.28
  4. Step 4: Simplify right side
    4,259.87x = 17,152,362.07
  5. Step 5: Solve for x
    x = 17,152,362.07/4,259.87
  6. Step 6: Final answer
    x = 4,026.50

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1.5x scale

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.