Home / 8,642.19-12,962.73-3,376.23

Finding the Fourth Proportional to 8,642.19, 12,962.73 and 3,376.23

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Solution

The fourth proportional to 8,642.19, 12,962.73 and 3,376.23 is: 5,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642.19 : 12,962.73 = 3,376.23 : x
  2. Step 2: Convert to fraction form
    8,642.19/12,962.73 = 3,376.23/x
  3. Step 3: Cross multiply
    8,642.19x = 12,962.73 × 3,376.23
  4. Step 4: Simplify right side
    8,642.19x = 43,765,157.91
  5. Step 5: Solve for x
    x = 43,765,157.91/8,642.19
  6. Step 6: Final answer
    x = 5,064.13

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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.