Home / 8,457.41-11,671.95-4,920.38

Finding the Fourth Proportional to 8,457.41, 11,671.95 and 4,920.38

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Solution

The fourth proportional to 8,457.41, 11,671.95 and 4,920.38 is: 6,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.41 : 11,671.95 = 4,920.38 : x
  2. Step 2: Convert to fraction form
    8,457.41/11,671.95 = 4,920.38/x
  3. Step 3: Cross multiply
    8,457.41x = 11,671.95 × 4,920.38
  4. Step 4: Simplify right side
    8,457.41x = 57,430,370.98
  5. Step 5: Solve for x
    x = 57,430,370.98/8,457.41
  6. Step 6: Final answer
    x = 6,790.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.