Home / 4,852.71-7,279.21-1,342.75

Finding the Fourth Proportional to 4,852.71, 7,279.21 and 1,342.75

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Solution

The fourth proportional to 4,852.71, 7,279.21 and 1,342.75 is: 2,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,852.71 : 7,279.21 = 1,342.75 : x
  2. Step 2: Convert to fraction form
    4,852.71/7,279.21 = 1,342.75/x
  3. Step 3: Cross multiply
    4,852.71x = 7,279.21 × 1,342.75
  4. Step 4: Simplify right side
    4,852.71x = 9,774,158.87
  5. Step 5: Solve for x
    x = 9,774,158.87/4,852.71
  6. Step 6: Final answer
    x = 2,014.16

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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.