Home / 4,280.41-6,421.22-1,358.96

Finding the Fourth Proportional to 4,280.41, 6,421.22 and 1,358.96

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Solution

The fourth proportional to 4,280.41, 6,421.22 and 1,358.96 is: 2,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.41 : 6,421.22 = 1,358.96 : x
  2. Step 2: Convert to fraction form
    4,280.41/6,421.22 = 1,358.96/x
  3. Step 3: Cross multiply
    4,280.41x = 6,421.22 × 1,358.96
  4. Step 4: Simplify right side
    4,280.41x = 8,726,174.34
  5. Step 5: Solve for x
    x = 8,726,174.34/4,280.41
  6. Step 6: Final answer
    x = 2,038.63

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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.