Home / 8,503.14-11,725.18-5,315.27

Finding the Fourth Proportional to 8,503.14, 11,725.18 and 5,315.27

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Solution

The fourth proportional to 8,503.14, 11,725.18 and 5,315.27 is: 7,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.14 : 11,725.18 = 5,315.27 : x
  2. Step 2: Convert to fraction form
    8,503.14/11,725.18 = 5,315.27/x
  3. Step 3: Cross multiply
    8,503.14x = 11,725.18 × 5,315.27
  4. Step 4: Simplify right side
    8,503.14x = 62,322,513.52
  5. Step 5: Solve for x
    x = 62,322,513.52/8,503.14
  6. Step 6: Final answer
    x = 7,329.35

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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.