Home / 4,427.89-6,641.82-1,140.71

Finding the Fourth Proportional to 4,427.89, 6,641.82 and 1,140.71

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Solution

The fourth proportional to 4,427.89, 6,641.82 and 1,140.71 is: 1,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.89 : 6,641.82 = 1,140.71 : x
  2. Step 2: Convert to fraction form
    4,427.89/6,641.82 = 1,140.71/x
  3. Step 3: Cross multiply
    4,427.89x = 6,641.82 × 1,140.71
  4. Step 4: Simplify right side
    4,427.89x = 7,576,390.49
  5. Step 5: Solve for x
    x = 7,576,390.49/4,427.89
  6. Step 6: Final answer
    x = 1,711.06

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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.