Home / 5,005.10-6,892.29-4,291.70

Finding the Fourth Proportional to 5,005.10, 6,892.29 and 4,291.70

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Solution

The fourth proportional to 5,005.10, 6,892.29 and 4,291.70 is: 5,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.10 : 6,892.29 = 4,291.70 : x
  2. Step 2: Convert to fraction form
    5,005.10/6,892.29 = 4,291.70/x
  3. Step 3: Cross multiply
    5,005.10x = 6,892.29 × 4,291.70
  4. Step 4: Simplify right side
    5,005.10x = 29,579,640.99
  5. Step 5: Solve for x
    x = 29,579,640.99/5,005.10
  6. Step 6: Final answer
    x = 5,909.90

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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.