Home / 5,258.73-7,882.59-1,970.40

Finding the Fourth Proportional to 5,258.73, 7,882.59 and 1,970.40

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Solution

The fourth proportional to 5,258.73, 7,882.59 and 1,970.40 is: 2,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.73 : 7,882.59 = 1,970.40 : x
  2. Step 2: Convert to fraction form
    5,258.73/7,882.59 = 1,970.40/x
  3. Step 3: Cross multiply
    5,258.73x = 7,882.59 × 1,970.40
  4. Step 4: Simplify right side
    5,258.73x = 15,531,855.34
  5. Step 5: Solve for x
    x = 15,531,855.34/5,258.73
  6. Step 6: Final answer
    x = 2,953.54

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1.5x scale

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.