Home / 4,281.20-6,421.56-1,203.12

Finding the Fourth Proportional to 4,281.20, 6,421.56 and 1,203.12

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Solution

The fourth proportional to 4,281.20, 6,421.56 and 1,203.12 is: 1,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.20 : 6,421.56 = 1,203.12 : x
  2. Step 2: Convert to fraction form
    4,281.20/6,421.56 = 1,203.12/x
  3. Step 3: Cross multiply
    4,281.20x = 6,421.56 × 1,203.12
  4. Step 4: Simplify right side
    4,281.20x = 7,725,907.27
  5. Step 5: Solve for x
    x = 7,725,907.27/4,281.20
  6. Step 6: Final answer
    x = 1,804.61

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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.