Home / 4,954.08-7,421.55-2,756.16

Finding the Fourth Proportional to 4,954.08, 7,421.55 and 2,756.16

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Solution

The fourth proportional to 4,954.08, 7,421.55 and 2,756.16 is: 4,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.08 : 7,421.55 = 2,756.16 : x
  2. Step 2: Convert to fraction form
    4,954.08/7,421.55 = 2,756.16/x
  3. Step 3: Cross multiply
    4,954.08x = 7,421.55 × 2,756.16
  4. Step 4: Simplify right side
    4,954.08x = 20,454,979.25
  5. Step 5: Solve for x
    x = 20,454,979.25/4,954.08
  6. Step 6: Final answer
    x = 4,128.92

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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.