Home / 5,256.11-7,884.14-1,970.75

Finding the Fourth Proportional to 5,256.11, 7,884.14 and 1,970.75

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Solution

The fourth proportional to 5,256.11, 7,884.14 and 1,970.75 is: 2,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.11 : 7,884.14 = 1,970.75 : x
  2. Step 2: Convert to fraction form
    5,256.11/7,884.14 = 1,970.75/x
  3. Step 3: Cross multiply
    5,256.11x = 7,884.14 × 1,970.75
  4. Step 4: Simplify right side
    5,256.11x = 15,537,619.63
  5. Step 5: Solve for x
    x = 15,537,619.63/5,256.11
  6. Step 6: Final answer
    x = 2,956.11

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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.