Home / 4,303.21-6,455.75-1,381.50

Finding the Fourth Proportional to 4,303.21, 6,455.75 and 1,381.50

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Solution

The fourth proportional to 4,303.21, 6,455.75 and 1,381.50 is: 2,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.21 : 6,455.75 = 1,381.50 : x
  2. Step 2: Convert to fraction form
    4,303.21/6,455.75 = 1,381.50/x
  3. Step 3: Cross multiply
    4,303.21x = 6,455.75 × 1,381.50
  4. Step 4: Simplify right side
    4,303.21x = 8,918,618.63
  5. Step 5: Solve for x
    x = 8,918,618.63/4,303.21
  6. Step 6: Final answer
    x = 2,072.55

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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.