Home / 7,747.95-11,612.70-3,582.12

Finding the Fourth Proportional to 7,747.95, 11,612.70 and 3,582.12

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Solution

The fourth proportional to 7,747.95, 11,612.70 and 3,582.12 is: 5,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.95 : 11,612.70 = 3,582.12 : x
  2. Step 2: Convert to fraction form
    7,747.95/11,612.70 = 3,582.12/x
  3. Step 3: Cross multiply
    7,747.95x = 11,612.70 × 3,582.12
  4. Step 4: Simplify right side
    7,747.95x = 41,598,084.92
  5. Step 5: Solve for x
    x = 41,598,084.92/7,747.95
  6. Step 6: Final answer
    x = 5,368.91

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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.