Home / 5,259.06-7,258.01-3,930.45

Finding the Fourth Proportional to 5,259.06, 7,258.01 and 3,930.45

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Solution

The fourth proportional to 5,259.06, 7,258.01 and 3,930.45 is: 5,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.06 : 7,258.01 = 3,930.45 : x
  2. Step 2: Convert to fraction form
    5,259.06/7,258.01 = 3,930.45/x
  3. Step 3: Cross multiply
    5,259.06x = 7,258.01 × 3,930.45
  4. Step 4: Simplify right side
    5,259.06x = 28,527,245.40
  5. Step 5: Solve for x
    x = 28,527,245.40/5,259.06
  6. Step 6: Final answer
    x = 5,424.40

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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.