Home / 6,619.96-9,136.02-3,827.08

Finding the Fourth Proportional to 6,619.96, 9,136.02 and 3,827.08

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Solution

The fourth proportional to 6,619.96, 9,136.02 and 3,827.08 is: 5,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.96 : 9,136.02 = 3,827.08 : x
  2. Step 2: Convert to fraction form
    6,619.96/9,136.02 = 3,827.08/x
  3. Step 3: Cross multiply
    6,619.96x = 9,136.02 × 3,827.08
  4. Step 4: Simplify right side
    6,619.96x = 34,964,279.42
  5. Step 5: Solve for x
    x = 34,964,279.42/6,619.96
  6. Step 6: Final answer
    x = 5,281.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.