Home / 4,458.24-6,688.88-1,685.71

Finding the Fourth Proportional to 4,458.24, 6,688.88 and 1,685.71

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Solution

The fourth proportional to 4,458.24, 6,688.88 and 1,685.71 is: 2,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.24 : 6,688.88 = 1,685.71 : x
  2. Step 2: Convert to fraction form
    4,458.24/6,688.88 = 1,685.71/x
  3. Step 3: Cross multiply
    4,458.24x = 6,688.88 × 1,685.71
  4. Step 4: Simplify right side
    4,458.24x = 11,275,511.90
  5. Step 5: Solve for x
    x = 11,275,511.90/4,458.24
  6. Step 6: Final answer
    x = 2,529.14

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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.