Home / 4,429.40-6,641.02-1,962.88

Finding the Fourth Proportional to 4,429.40, 6,641.02 and 1,962.88

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Solution

The fourth proportional to 4,429.40, 6,641.02 and 1,962.88 is: 2,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.40 : 6,641.02 = 1,962.88 : x
  2. Step 2: Convert to fraction form
    4,429.40/6,641.02 = 1,962.88/x
  3. Step 3: Cross multiply
    4,429.40x = 6,641.02 × 1,962.88
  4. Step 4: Simplify right side
    4,429.40x = 13,035,525.34
  5. Step 5: Solve for x
    x = 13,035,525.34/4,429.40
  6. Step 6: Final answer
    x = 2,942.96

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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.