Home / 7,538.95-11,303.82-3,378.16

Finding the Fourth Proportional to 7,538.95, 11,303.82 and 3,378.16

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Solution

The fourth proportional to 7,538.95, 11,303.82 and 3,378.16 is: 5,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.95 : 11,303.82 = 3,378.16 : x
  2. Step 2: Convert to fraction form
    7,538.95/11,303.82 = 3,378.16/x
  3. Step 3: Cross multiply
    7,538.95x = 11,303.82 × 3,378.16
  4. Step 4: Simplify right side
    7,538.95x = 38,186,112.57
  5. Step 5: Solve for x
    x = 38,186,112.57/7,538.95
  6. Step 6: Final answer
    x = 5,065.18

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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.