Home / 8,931.45-13,394.58-3,007.68

Finding the Fourth Proportional to 8,931.45, 13,394.58 and 3,007.68

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Solution

The fourth proportional to 8,931.45, 13,394.58 and 3,007.68 is: 4,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.45 : 13,394.58 = 3,007.68 : x
  2. Step 2: Convert to fraction form
    8,931.45/13,394.58 = 3,007.68/x
  3. Step 3: Cross multiply
    8,931.45x = 13,394.58 × 3,007.68
  4. Step 4: Simplify right side
    8,931.45x = 40,286,610.37
  5. Step 5: Solve for x
    x = 40,286,610.37/8,931.45
  6. Step 6: Final answer
    x = 4,510.65

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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.