Home / 8,455.13-11,668.01-4,729.13

Finding the Fourth Proportional to 8,455.13, 11,668.01 and 4,729.13

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Solution

The fourth proportional to 8,455.13, 11,668.01 and 4,729.13 is: 6,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.13 : 11,668.01 = 4,729.13 : x
  2. Step 2: Convert to fraction form
    8,455.13/11,668.01 = 4,729.13/x
  3. Step 3: Cross multiply
    8,455.13x = 11,668.01 × 4,729.13
  4. Step 4: Simplify right side
    8,455.13x = 55,179,536.13
  5. Step 5: Solve for x
    x = 55,179,536.13/8,455.13
  6. Step 6: Final answer
    x = 6,526.16

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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.