Home / 8,172.04-11,275.45-4,814.59

Finding the Fourth Proportional to 8,172.04, 11,275.45 and 4,814.59

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Solution

The fourth proportional to 8,172.04, 11,275.45 and 4,814.59 is: 6,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.04 : 11,275.45 = 4,814.59 : x
  2. Step 2: Convert to fraction form
    8,172.04/11,275.45 = 4,814.59/x
  3. Step 3: Cross multiply
    8,172.04x = 11,275.45 × 4,814.59
  4. Step 4: Simplify right side
    8,172.04x = 54,286,668.82
  5. Step 5: Solve for x
    x = 54,286,668.82/8,172.04
  6. Step 6: Final answer
    x = 6,642.98

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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.