Home / 8,987.38-12,403.30-4,954.94

Finding the Fourth Proportional to 8,987.38, 12,403.30 and 4,954.94

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Solution

The fourth proportional to 8,987.38, 12,403.30 and 4,954.94 is: 6,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.38 : 12,403.30 = 4,954.94 : x
  2. Step 2: Convert to fraction form
    8,987.38/12,403.30 = 4,954.94/x
  3. Step 3: Cross multiply
    8,987.38x = 12,403.30 × 4,954.94
  4. Step 4: Simplify right side
    8,987.38x = 61,457,607.30
  5. Step 5: Solve for x
    x = 61,457,607.30/8,987.38
  6. Step 6: Final answer
    x = 6,838.21

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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.