Home / 8,440.69-12,650.02-4,540.51

Finding the Fourth Proportional to 8,440.69, 12,650.02 and 4,540.51

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Solution

The fourth proportional to 8,440.69, 12,650.02 and 4,540.51 is: 6,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.69 : 12,650.02 = 4,540.51 : x
  2. Step 2: Convert to fraction form
    8,440.69/12,650.02 = 4,540.51/x
  3. Step 3: Cross multiply
    8,440.69x = 12,650.02 × 4,540.51
  4. Step 4: Simplify right side
    8,440.69x = 57,437,542.31
  5. Step 5: Solve for x
    x = 57,437,542.31/8,440.69
  6. Step 6: Final answer
    x = 6,804.84

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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.