Home / 7,907.36-10,912.32-4,762.88

Finding the Fourth Proportional to 7,907.36, 10,912.32 and 4,762.88

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Solution

The fourth proportional to 7,907.36, 10,912.32 and 4,762.88 is: 6,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.36 : 10,912.32 = 4,762.88 : x
  2. Step 2: Convert to fraction form
    7,907.36/10,912.32 = 4,762.88/x
  3. Step 3: Cross multiply
    7,907.36x = 10,912.32 × 4,762.88
  4. Step 4: Simplify right side
    7,907.36x = 51,974,070.68
  5. Step 5: Solve for x
    x = 51,974,070.68/7,907.36
  6. Step 6: Final answer
    x = 6,572.87

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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.