Home / 9,638.07-14,457.09-2,712.57

Finding the Fourth Proportional to 9,638.07, 14,457.09 and 2,712.57

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Solution

The fourth proportional to 9,638.07, 14,457.09 and 2,712.57 is: 4,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.07 : 14,457.09 = 2,712.57 : x
  2. Step 2: Convert to fraction form
    9,638.07/14,457.09 = 2,712.57/x
  3. Step 3: Cross multiply
    9,638.07x = 14,457.09 × 2,712.57
  4. Step 4: Simplify right side
    9,638.07x = 39,215,868.62
  5. Step 5: Solve for x
    x = 39,215,868.62/9,638.07
  6. Step 6: Final answer
    x = 4,068.85

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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.