Home / 5,259.21-7,258.05-3,021.18

Finding the Fourth Proportional to 5,259.21, 7,258.05 and 3,021.18

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Solution

The fourth proportional to 5,259.21, 7,258.05 and 3,021.18 is: 4,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.21 : 7,258.05 = 3,021.18 : x
  2. Step 2: Convert to fraction form
    5,259.21/7,258.05 = 3,021.18/x
  3. Step 3: Cross multiply
    5,259.21x = 7,258.05 × 3,021.18
  4. Step 4: Simplify right side
    5,259.21x = 21,927,875.50
  5. Step 5: Solve for x
    x = 21,927,875.50/5,259.21
  6. Step 6: Final answer
    x = 4,169.42

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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.