Home / 7,801.21-11,701.77-2,607.04

Finding the Fourth Proportional to 7,801.21, 11,701.77 and 2,607.04

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Solution

The fourth proportional to 7,801.21, 11,701.77 and 2,607.04 is: 3,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.21 : 11,701.77 = 2,607.04 : x
  2. Step 2: Convert to fraction form
    7,801.21/11,701.77 = 2,607.04/x
  3. Step 3: Cross multiply
    7,801.21x = 11,701.77 × 2,607.04
  4. Step 4: Simplify right side
    7,801.21x = 30,506,982.46
  5. Step 5: Solve for x
    x = 30,506,982.46/7,801.21
  6. Step 6: Final answer
    x = 3,910.54

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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.