Home / 7,519.32-10,365.80-5,274.23

Finding the Fourth Proportional to 7,519.32, 10,365.80 and 5,274.23

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Solution

The fourth proportional to 7,519.32, 10,365.80 and 5,274.23 is: 7,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.32 : 10,365.80 = 5,274.23 : x
  2. Step 2: Convert to fraction form
    7,519.32/10,365.80 = 5,274.23/x
  3. Step 3: Cross multiply
    7,519.32x = 10,365.80 × 5,274.23
  4. Step 4: Simplify right side
    7,519.32x = 54,671,535.13
  5. Step 5: Solve for x
    x = 54,671,535.13/7,519.32
  6. Step 6: Final answer
    x = 7,270.81

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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.