Home / 5,840.90-8,762.58-1,945.61

Finding the Fourth Proportional to 5,840.90, 8,762.58 and 1,945.61

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Solution

The fourth proportional to 5,840.90, 8,762.58 and 1,945.61 is: 2,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.90 : 8,762.58 = 1,945.61 : x
  2. Step 2: Convert to fraction form
    5,840.90/8,762.58 = 1,945.61/x
  3. Step 3: Cross multiply
    5,840.90x = 8,762.58 × 1,945.61
  4. Step 4: Simplify right side
    5,840.90x = 17,048,519.46
  5. Step 5: Solve for x
    x = 17,048,519.46/5,840.90
  6. Step 6: Final answer
    x = 2,918.82

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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.