Home / 4,820.25-7,230.39-1,357.50

Finding the Fourth Proportional to 4,820.25, 7,230.39 and 1,357.50

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Solution

The fourth proportional to 4,820.25, 7,230.39 and 1,357.50 is: 2,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.25 : 7,230.39 = 1,357.50 : x
  2. Step 2: Convert to fraction form
    4,820.25/7,230.39 = 1,357.50/x
  3. Step 3: Cross multiply
    4,820.25x = 7,230.39 × 1,357.50
  4. Step 4: Simplify right side
    4,820.25x = 9,815,254.43
  5. Step 5: Solve for x
    x = 9,815,254.43/4,820.25
  6. Step 6: Final answer
    x = 2,036.25

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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.