Home / 7,387.64-11,077.76-2,455.55

Finding the Fourth Proportional to 7,387.64, 11,077.76 and 2,455.55

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Solution

The fourth proportional to 7,387.64, 11,077.76 and 2,455.55 is: 3,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.64 : 11,077.76 = 2,455.55 : x
  2. Step 2: Convert to fraction form
    7,387.64/11,077.76 = 2,455.55/x
  3. Step 3: Cross multiply
    7,387.64x = 11,077.76 × 2,455.55
  4. Step 4: Simplify right side
    7,387.64x = 27,201,985.86
  5. Step 5: Solve for x
    x = 27,201,985.86/7,387.64
  6. Step 6: Final answer
    x = 3,682.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.