Home / 7,397.58-10,208.75-4,040.49

Finding the Fourth Proportional to 7,397.58, 10,208.75 and 4,040.49

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Solution

The fourth proportional to 7,397.58, 10,208.75 and 4,040.49 is: 5,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.58 : 10,208.75 = 4,040.49 : x
  2. Step 2: Convert to fraction form
    7,397.58/10,208.75 = 4,040.49/x
  3. Step 3: Cross multiply
    7,397.58x = 10,208.75 × 4,040.49
  4. Step 4: Simplify right side
    7,397.58x = 41,248,332.09
  5. Step 5: Solve for x
    x = 41,248,332.09/7,397.58
  6. Step 6: Final answer
    x = 5,575.92

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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.