Home / 6,390.63-9,588.33-2,879.59

Finding the Fourth Proportional to 6,390.63, 9,588.33 and 2,879.59

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Solution

The fourth proportional to 6,390.63, 9,588.33 and 2,879.59 is: 4,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.63 : 9,588.33 = 2,879.59 : x
  2. Step 2: Convert to fraction form
    6,390.63/9,588.33 = 2,879.59/x
  3. Step 3: Cross multiply
    6,390.63x = 9,588.33 × 2,879.59
  4. Step 4: Simplify right side
    6,390.63x = 27,610,459.18
  5. Step 5: Solve for x
    x = 27,610,459.18/6,390.63
  6. Step 6: Final answer
    x = 4,320.46

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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.