Home / 4,856.14-7,278.74-1,931.03

Finding the Fourth Proportional to 4,856.14, 7,278.74 and 1,931.03

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Solution

The fourth proportional to 4,856.14, 7,278.74 and 1,931.03 is: 2,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.14 : 7,278.74 = 1,931.03 : x
  2. Step 2: Convert to fraction form
    4,856.14/7,278.74 = 1,931.03/x
  3. Step 3: Cross multiply
    4,856.14x = 7,278.74 × 1,931.03
  4. Step 4: Simplify right side
    4,856.14x = 14,055,465.30
  5. Step 5: Solve for x
    x = 14,055,465.30/4,856.14
  6. Step 6: Final answer
    x = 2,894.37

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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.