Home / 5,207.40-7,805.30-2,434.77

Finding the Fourth Proportional to 5,207.40, 7,805.30 and 2,434.77

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Solution

The fourth proportional to 5,207.40, 7,805.30 and 2,434.77 is: 3,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.40 : 7,805.30 = 2,434.77 : x
  2. Step 2: Convert to fraction form
    5,207.40/7,805.30 = 2,434.77/x
  3. Step 3: Cross multiply
    5,207.40x = 7,805.30 × 2,434.77
  4. Step 4: Simplify right side
    5,207.40x = 19,004,098.11
  5. Step 5: Solve for x
    x = 19,004,098.11/5,207.40
  6. Step 6: Final answer
    x = 3,649.44

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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.