Home / 7,108.59-10,664.93-2,178.95

Finding the Fourth Proportional to 7,108.59, 10,664.93 and 2,178.95

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Solution

The fourth proportional to 7,108.59, 10,664.93 and 2,178.95 is: 3,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.59 : 10,664.93 = 2,178.95 : x
  2. Step 2: Convert to fraction form
    7,108.59/10,664.93 = 2,178.95/x
  3. Step 3: Cross multiply
    7,108.59x = 10,664.93 × 2,178.95
  4. Step 4: Simplify right side
    7,108.59x = 23,238,381.33
  5. Step 5: Solve for x
    x = 23,238,381.33/7,108.59
  6. Step 6: Final answer
    x = 3,269.06

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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.