Home / 5,551.08-7,657.70-3,311.40

Finding the Fourth Proportional to 5,551.08, 7,657.70 and 3,311.40

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Solution

The fourth proportional to 5,551.08, 7,657.70 and 3,311.40 is: 4,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.08 : 7,657.70 = 3,311.40 : x
  2. Step 2: Convert to fraction form
    5,551.08/7,657.70 = 3,311.40/x
  3. Step 3: Cross multiply
    5,551.08x = 7,657.70 × 3,311.40
  4. Step 4: Simplify right side
    5,551.08x = 25,357,707.78
  5. Step 5: Solve for x
    x = 25,357,707.78/5,551.08
  6. Step 6: Final answer
    x = 4,568.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.