Home / 7,538.52-11,307.76-4,940.84

Finding the Fourth Proportional to 7,538.52, 11,307.76 and 4,940.84

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Solution

The fourth proportional to 7,538.52, 11,307.76 and 4,940.84 is: 7,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.52 : 11,307.76 = 4,940.84 : x
  2. Step 2: Convert to fraction form
    7,538.52/11,307.76 = 4,940.84/x
  3. Step 3: Cross multiply
    7,538.52x = 11,307.76 × 4,940.84
  4. Step 4: Simplify right side
    7,538.52x = 55,869,832.92
  5. Step 5: Solve for x
    x = 55,869,832.92/7,538.52
  6. Step 6: Final answer
    x = 7,411.25

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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.