Home / 7,639.91-11,458.32-4,475.45

Finding the Fourth Proportional to 7,639.91, 11,458.32 and 4,475.45

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Solution

The fourth proportional to 7,639.91, 11,458.32 and 4,475.45 is: 6,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.91 : 11,458.32 = 4,475.45 : x
  2. Step 2: Convert to fraction form
    7,639.91/11,458.32 = 4,475.45/x
  3. Step 3: Cross multiply
    7,639.91x = 11,458.32 × 4,475.45
  4. Step 4: Simplify right side
    7,639.91x = 51,281,138.24
  5. Step 5: Solve for x
    x = 51,281,138.24/7,639.91
  6. Step 6: Final answer
    x = 6,712.27

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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.