Home / 7,477.76-10,313.25-6,579.56

Finding the Fourth Proportional to 7,477.76, 10,313.25 and 6,579.56

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Solution

The fourth proportional to 7,477.76, 10,313.25 and 6,579.56 is: 9,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.76 : 10,313.25 = 6,579.56 : x
  2. Step 2: Convert to fraction form
    7,477.76/10,313.25 = 6,579.56/x
  3. Step 3: Cross multiply
    7,477.76x = 10,313.25 × 6,579.56
  4. Step 4: Simplify right side
    7,477.76x = 67,856,647.17
  5. Step 5: Solve for x
    x = 67,856,647.17/7,477.76
  6. Step 6: Final answer
    x = 9,074.46

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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.