Home / 4,477.32-6,715.78-1,555.85

Finding the Fourth Proportional to 4,477.32, 6,715.78 and 1,555.85

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Solution

The fourth proportional to 4,477.32, 6,715.78 and 1,555.85 is: 2,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.32 : 6,715.78 = 1,555.85 : x
  2. Step 2: Convert to fraction form
    4,477.32/6,715.78 = 1,555.85/x
  3. Step 3: Cross multiply
    4,477.32x = 6,715.78 × 1,555.85
  4. Step 4: Simplify right side
    4,477.32x = 10,448,746.31
  5. Step 5: Solve for x
    x = 10,448,746.31/4,477.32
  6. Step 6: Final answer
    x = 2,333.71

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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.