Home / 6,421.52-8,860.34-3,733.24

Finding the Fourth Proportional to 6,421.52, 8,860.34 and 3,733.24

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Solution

The fourth proportional to 6,421.52, 8,860.34 and 3,733.24 is: 5,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.52 : 8,860.34 = 3,733.24 : x
  2. Step 2: Convert to fraction form
    6,421.52/8,860.34 = 3,733.24/x
  3. Step 3: Cross multiply
    6,421.52x = 8,860.34 × 3,733.24
  4. Step 4: Simplify right side
    6,421.52x = 33,077,775.70
  5. Step 5: Solve for x
    x = 33,077,775.70/6,421.52
  6. Step 6: Final answer
    x = 5,151.08

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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.