Home / 7,330.78-10,116.42-3,973.68

Finding the Fourth Proportional to 7,330.78, 10,116.42 and 3,973.68

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Solution

The fourth proportional to 7,330.78, 10,116.42 and 3,973.68 is: 5,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.78 : 10,116.42 = 3,973.68 : x
  2. Step 2: Convert to fraction form
    7,330.78/10,116.42 = 3,973.68/x
  3. Step 3: Cross multiply
    7,330.78x = 10,116.42 × 3,973.68
  4. Step 4: Simplify right side
    7,330.78x = 40,199,415.83
  5. Step 5: Solve for x
    x = 40,199,415.83/7,330.78
  6. Step 6: Final answer
    x = 5,483.65

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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.