Home / 5,258.95-7,886.13-1,969.74

Finding the Fourth Proportional to 5,258.95, 7,886.13 and 1,969.74

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Solution

The fourth proportional to 5,258.95, 7,886.13 and 1,969.74 is: 2,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.95 : 7,886.13 = 1,969.74 : x
  2. Step 2: Convert to fraction form
    5,258.95/7,886.13 = 1,969.74/x
  3. Step 3: Cross multiply
    5,258.95x = 7,886.13 × 1,969.74
  4. Step 4: Simplify right side
    5,258.95x = 15,533,620.78
  5. Step 5: Solve for x
    x = 15,533,620.78/5,258.95
  6. Step 6: Final answer
    x = 2,953.75

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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.