Home / 6,309.29-9,459.99-3,187.55

Finding the Fourth Proportional to 6,309.29, 9,459.99 and 3,187.55

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Solution

The fourth proportional to 6,309.29, 9,459.99 and 3,187.55 is: 4,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.29 : 9,459.99 = 3,187.55 : x
  2. Step 2: Convert to fraction form
    6,309.29/9,459.99 = 3,187.55/x
  3. Step 3: Cross multiply
    6,309.29x = 9,459.99 × 3,187.55
  4. Step 4: Simplify right side
    6,309.29x = 30,154,214.77
  5. Step 5: Solve for x
    x = 30,154,214.77/6,309.29
  6. Step 6: Final answer
    x = 4,779.33

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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.