Home / 4,412.63-6,618.81-1,125.71

Finding the Fourth Proportional to 4,412.63, 6,618.81 and 1,125.71

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Solution

The fourth proportional to 4,412.63, 6,618.81 and 1,125.71 is: 1,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.63 : 6,618.81 = 1,125.71 : x
  2. Step 2: Convert to fraction form
    4,412.63/6,618.81 = 1,125.71/x
  3. Step 3: Cross multiply
    4,412.63x = 6,618.81 × 1,125.71
  4. Step 4: Simplify right side
    4,412.63x = 7,450,854.98
  5. Step 5: Solve for x
    x = 7,450,854.98/4,412.63
  6. Step 6: Final answer
    x = 1,688.53

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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.