Home / 8,499.77-11,735.33-5,317.86

Finding the Fourth Proportional to 8,499.77, 11,735.33 and 5,317.86

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Solution

The fourth proportional to 8,499.77, 11,735.33 and 5,317.86 is: 7,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.77 : 11,735.33 = 5,317.86 : x
  2. Step 2: Convert to fraction form
    8,499.77/11,735.33 = 5,317.86/x
  3. Step 3: Cross multiply
    8,499.77x = 11,735.33 × 5,317.86
  4. Step 4: Simplify right side
    8,499.77x = 62,406,841.99
  5. Step 5: Solve for x
    x = 62,406,841.99/8,499.77
  6. Step 6: Final answer
    x = 7,342.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.