Home / 8,520.51-12,782.22-2,897.59

Finding the Fourth Proportional to 8,520.51, 12,782.22 and 2,897.59

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Solution

The fourth proportional to 8,520.51, 12,782.22 and 2,897.59 is: 4,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.51 : 12,782.22 = 2,897.59 : x
  2. Step 2: Convert to fraction form
    8,520.51/12,782.22 = 2,897.59/x
  3. Step 3: Cross multiply
    8,520.51x = 12,782.22 × 2,897.59
  4. Step 4: Simplify right side
    8,520.51x = 37,037,618.36
  5. Step 5: Solve for x
    x = 37,037,618.36/8,520.51
  6. Step 6: Final answer
    x = 4,346.88

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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.