Home / 7,397.55-10,208.56-4,040.36

Finding the Fourth Proportional to 7,397.55, 10,208.56 and 4,040.36

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Solution

The fourth proportional to 7,397.55, 10,208.56 and 4,040.36 is: 5,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.55 : 10,208.56 = 4,040.36 : x
  2. Step 2: Convert to fraction form
    7,397.55/10,208.56 = 4,040.36/x
  3. Step 3: Cross multiply
    7,397.55x = 10,208.56 × 4,040.36
  4. Step 4: Simplify right side
    7,397.55x = 41,246,293.10
  5. Step 5: Solve for x
    x = 41,246,293.10/7,397.55
  6. Step 6: Final answer
    x = 5,575.67

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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.