Home / 6,459.09-9,688.71-1,779.14

Finding the Fourth Proportional to 6,459.09, 9,688.71 and 1,779.14

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Solution

The fourth proportional to 6,459.09, 9,688.71 and 1,779.14 is: 2,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.09 : 9,688.71 = 1,779.14 : x
  2. Step 2: Convert to fraction form
    6,459.09/9,688.71 = 1,779.14/x
  3. Step 3: Cross multiply
    6,459.09x = 9,688.71 × 1,779.14
  4. Step 4: Simplify right side
    6,459.09x = 17,237,575.15
  5. Step 5: Solve for x
    x = 17,237,575.15/6,459.09
  6. Step 6: Final answer
    x = 2,668.73

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Similar ratio
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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.