Home / 5,457.60-8,166.96-3,137.76

Finding the Fourth Proportional to 5,457.60, 8,166.96 and 3,137.76

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Solution

The fourth proportional to 5,457.60, 8,166.96 and 3,137.76 is: 4,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.60 : 8,166.96 = 3,137.76 : x
  2. Step 2: Convert to fraction form
    5,457.60/8,166.96 = 3,137.76/x
  3. Step 3: Cross multiply
    5,457.60x = 8,166.96 × 3,137.76
  4. Step 4: Simplify right side
    5,457.60x = 25,625,960.41
  5. Step 5: Solve for x
    x = 25,625,960.41/5,457.60
  6. Step 6: Final answer
    x = 4,695.46

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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.