Home / 7,662.24-10,574.16-4,867.68

Finding the Fourth Proportional to 7,662.24, 10,574.16 and 4,867.68

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Solution

The fourth proportional to 7,662.24, 10,574.16 and 4,867.68 is: 6,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.24 : 10,574.16 = 4,867.68 : x
  2. Step 2: Convert to fraction form
    7,662.24/10,574.16 = 4,867.68/x
  3. Step 3: Cross multiply
    7,662.24x = 10,574.16 × 4,867.68
  4. Step 4: Simplify right side
    7,662.24x = 51,471,627.15
  5. Step 5: Solve for x
    x = 51,471,627.15/7,662.24
  6. Step 6: Final answer
    x = 6,717.57

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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.