Home / 7,681.03-11,523.38-2,486.91

Finding the Fourth Proportional to 7,681.03, 11,523.38 and 2,486.91

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Solution

The fourth proportional to 7,681.03, 11,523.38 and 2,486.91 is: 3,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.03 : 11,523.38 = 2,486.91 : x
  2. Step 2: Convert to fraction form
    7,681.03/11,523.38 = 2,486.91/x
  3. Step 3: Cross multiply
    7,681.03x = 11,523.38 × 2,486.91
  4. Step 4: Simplify right side
    7,681.03x = 28,657,538.90
  5. Step 5: Solve for x
    x = 28,657,538.90/7,681.03
  6. Step 6: Final answer
    x = 3,730.95

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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.