Home / 8,789.95-13,178.98-4,625.54

Finding the Fourth Proportional to 8,789.95, 13,178.98 and 4,625.54

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Solution

The fourth proportional to 8,789.95, 13,178.98 and 4,625.54 is: 6,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.95 : 13,178.98 = 4,625.54 : x
  2. Step 2: Convert to fraction form
    8,789.95/13,178.98 = 4,625.54/x
  3. Step 3: Cross multiply
    8,789.95x = 13,178.98 × 4,625.54
  4. Step 4: Simplify right side
    8,789.95x = 60,959,810.13
  5. Step 5: Solve for x
    x = 60,959,810.13/8,789.95
  6. Step 6: Final answer
    x = 6,935.18

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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.