Home / 6,938.19-9,575.63-3,913.93

Finding the Fourth Proportional to 6,938.19, 9,575.63 and 3,913.93

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Solution

The fourth proportional to 6,938.19, 9,575.63 and 3,913.93 is: 5,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.19 : 9,575.63 = 3,913.93 : x
  2. Step 2: Convert to fraction form
    6,938.19/9,575.63 = 3,913.93/x
  3. Step 3: Cross multiply
    6,938.19x = 9,575.63 × 3,913.93
  4. Step 4: Simplify right side
    6,938.19x = 37,478,352.60
  5. Step 5: Solve for x
    x = 37,478,352.60/6,938.19
  6. Step 6: Final answer
    x = 5,401.75

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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.