Home / 4,245.12-6,368.48-1,322.76

Finding the Fourth Proportional to 4,245.12, 6,368.48 and 1,322.76

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Solution

The fourth proportional to 4,245.12, 6,368.48 and 1,322.76 is: 1,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.12 : 6,368.48 = 1,322.76 : x
  2. Step 2: Convert to fraction form
    4,245.12/6,368.48 = 1,322.76/x
  3. Step 3: Cross multiply
    4,245.12x = 6,368.48 × 1,322.76
  4. Step 4: Simplify right side
    4,245.12x = 8,423,970.60
  5. Step 5: Solve for x
    x = 8,423,970.60/4,245.12
  6. Step 6: Final answer
    x = 1,984.39

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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.