Home / 7,543.63-11,307.25-3,840.77

Finding the Fourth Proportional to 7,543.63, 11,307.25 and 3,840.77

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Solution

The fourth proportional to 7,543.63, 11,307.25 and 3,840.77 is: 5,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.63 : 11,307.25 = 3,840.77 : x
  2. Step 2: Convert to fraction form
    7,543.63/11,307.25 = 3,840.77/x
  3. Step 3: Cross multiply
    7,543.63x = 11,307.25 × 3,840.77
  4. Step 4: Simplify right side
    7,543.63x = 43,428,494.44
  5. Step 5: Solve for x
    x = 43,428,494.44/7,543.63
  6. Step 6: Final answer
    x = 5,756.97

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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.