Home / 5,240.70-7,860.65-1,730.36

Finding the Fourth Proportional to 5,240.70, 7,860.65 and 1,730.36

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Solution

The fourth proportional to 5,240.70, 7,860.65 and 1,730.36 is: 2,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.70 : 7,860.65 = 1,730.36 : x
  2. Step 2: Convert to fraction form
    5,240.70/7,860.65 = 1,730.36/x
  3. Step 3: Cross multiply
    5,240.70x = 7,860.65 × 1,730.36
  4. Step 4: Simplify right side
    5,240.70x = 13,601,765.33
  5. Step 5: Solve for x
    x = 13,601,765.33/5,240.70
  6. Step 6: Final answer
    x = 2,595.41

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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.