Home / 5,642.09-8,459.40-3,007.92

Finding the Fourth Proportional to 5,642.09, 8,459.40 and 3,007.92

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Solution

The fourth proportional to 5,642.09, 8,459.40 and 3,007.92 is: 4,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.09 : 8,459.40 = 3,007.92 : x
  2. Step 2: Convert to fraction form
    5,642.09/8,459.40 = 3,007.92/x
  3. Step 3: Cross multiply
    5,642.09x = 8,459.40 × 3,007.92
  4. Step 4: Simplify right side
    5,642.09x = 25,445,198.45
  5. Step 5: Solve for x
    x = 25,445,198.45/5,642.09
  6. Step 6: Final answer
    x = 4,509.89

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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.