Home / 5,385.10-7,431.48-3,259.94

Finding the Fourth Proportional to 5,385.10, 7,431.48 and 3,259.94

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Solution

The fourth proportional to 5,385.10, 7,431.48 and 3,259.94 is: 4,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.10 : 7,431.48 = 3,259.94 : x
  2. Step 2: Convert to fraction form
    5,385.10/7,431.48 = 3,259.94/x
  3. Step 3: Cross multiply
    5,385.10x = 7,431.48 × 3,259.94
  4. Step 4: Simplify right side
    5,385.10x = 24,226,178.91
  5. Step 5: Solve for x
    x = 24,226,178.91/5,385.10
  6. Step 6: Final answer
    x = 4,498.74

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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.