Home / 4,321.04-6,478.20-1,853.84

Finding the Fourth Proportional to 4,321.04, 6,478.20 and 1,853.84

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Solution

The fourth proportional to 4,321.04, 6,478.20 and 1,853.84 is: 2,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.04 : 6,478.20 = 1,853.84 : x
  2. Step 2: Convert to fraction form
    4,321.04/6,478.20 = 1,853.84/x
  3. Step 3: Cross multiply
    4,321.04x = 6,478.20 × 1,853.84
  4. Step 4: Simplify right side
    4,321.04x = 12,009,546.29
  5. Step 5: Solve for x
    x = 12,009,546.29/4,321.04
  6. Step 6: Final answer
    x = 2,779.32

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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.