Home / 7,764.78-10,715.66-4,362.39

Finding the Fourth Proportional to 7,764.78, 10,715.66 and 4,362.39

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Solution

The fourth proportional to 7,764.78, 10,715.66 and 4,362.39 is: 6,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.78 : 10,715.66 = 4,362.39 : x
  2. Step 2: Convert to fraction form
    7,764.78/10,715.66 = 4,362.39/x
  3. Step 3: Cross multiply
    7,764.78x = 10,715.66 × 4,362.39
  4. Step 4: Simplify right side
    7,764.78x = 46,745,888.03
  5. Step 5: Solve for x
    x = 46,745,888.03/7,764.78
  6. Step 6: Final answer
    x = 6,020.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.