Home / 5,206.34-7,809.44-1,257.56

Finding the Fourth Proportional to 5,206.34, 7,809.44 and 1,257.56

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Solution

The fourth proportional to 5,206.34, 7,809.44 and 1,257.56 is: 1,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.34 : 7,809.44 = 1,257.56 : x
  2. Step 2: Convert to fraction form
    5,206.34/7,809.44 = 1,257.56/x
  3. Step 3: Cross multiply
    5,206.34x = 7,809.44 × 1,257.56
  4. Step 4: Simplify right side
    5,206.34x = 9,820,833.08
  5. Step 5: Solve for x
    x = 9,820,833.08/5,206.34
  6. Step 6: Final answer
    x = 1,886.32

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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.