Home / 8,315.39-11,475.14-4,538.62

Finding the Fourth Proportional to 8,315.39, 11,475.14 and 4,538.62

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Solution

The fourth proportional to 8,315.39, 11,475.14 and 4,538.62 is: 6,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.39 : 11,475.14 = 4,538.62 : x
  2. Step 2: Convert to fraction form
    8,315.39/11,475.14 = 4,538.62/x
  3. Step 3: Cross multiply
    8,315.39x = 11,475.14 × 4,538.62
  4. Step 4: Simplify right side
    8,315.39x = 52,081,291.56
  5. Step 5: Solve for x
    x = 52,081,291.56/8,315.39
  6. Step 6: Final answer
    x = 6,263.24

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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.