Home / 7,559.19-10,412.13-5,286.51

Finding the Fourth Proportional to 7,559.19, 10,412.13 and 5,286.51

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Solution

The fourth proportional to 7,559.19, 10,412.13 and 5,286.51 is: 7,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.19 : 10,412.13 = 5,286.51 : x
  2. Step 2: Convert to fraction form
    7,559.19/10,412.13 = 5,286.51/x
  3. Step 3: Cross multiply
    7,559.19x = 10,412.13 × 5,286.51
  4. Step 4: Simplify right side
    7,559.19x = 55,043,829.37
  5. Step 5: Solve for x
    x = 55,043,829.37/7,559.19
  6. Step 6: Final answer
    x = 7,281.71

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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.