Home / 5,625.74-8,440.43-1,927.89

Finding the Fourth Proportional to 5,625.74, 8,440.43 and 1,927.89

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Solution

The fourth proportional to 5,625.74, 8,440.43 and 1,927.89 is: 2,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.74 : 8,440.43 = 1,927.89 : x
  2. Step 2: Convert to fraction form
    5,625.74/8,440.43 = 1,927.89/x
  3. Step 3: Cross multiply
    5,625.74x = 8,440.43 × 1,927.89
  4. Step 4: Simplify right side
    5,625.74x = 16,272,210.95
  5. Step 5: Solve for x
    x = 16,272,210.95/5,625.74
  6. Step 6: Final answer
    x = 2,892.46

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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.