Home / 7,539.39-11,316.47-4,771.40

Finding the Fourth Proportional to 7,539.39, 11,316.47 and 4,771.40

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Solution

The fourth proportional to 7,539.39, 11,316.47 and 4,771.40 is: 7,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.39 : 11,316.47 = 4,771.40 : x
  2. Step 2: Convert to fraction form
    7,539.39/11,316.47 = 4,771.40/x
  3. Step 3: Cross multiply
    7,539.39x = 11,316.47 × 4,771.40
  4. Step 4: Simplify right side
    7,539.39x = 53,995,324.52
  5. Step 5: Solve for x
    x = 53,995,324.52/7,539.39
  6. Step 6: Final answer
    x = 7,161.76

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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.