Home / 4,613.65-6,368.90-3,126.09

Finding the Fourth Proportional to 4,613.65, 6,368.90 and 3,126.09

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Solution

The fourth proportional to 4,613.65, 6,368.90 and 3,126.09 is: 4,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.65 : 6,368.90 = 3,126.09 : x
  2. Step 2: Convert to fraction form
    4,613.65/6,368.90 = 3,126.09/x
  3. Step 3: Cross multiply
    4,613.65x = 6,368.90 × 3,126.09
  4. Step 4: Simplify right side
    4,613.65x = 19,909,754.60
  5. Step 5: Solve for x
    x = 19,909,754.60/4,613.65
  6. Step 6: Final answer
    x = 4,315.40

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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.