Home / 5,378.04-8,057.16-2,909.16

Finding the Fourth Proportional to 5,378.04, 8,057.16 and 2,909.16

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Solution

The fourth proportional to 5,378.04, 8,057.16 and 2,909.16 is: 4,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.04 : 8,057.16 = 2,909.16 : x
  2. Step 2: Convert to fraction form
    5,378.04/8,057.16 = 2,909.16/x
  3. Step 3: Cross multiply
    5,378.04x = 8,057.16 × 2,909.16
  4. Step 4: Simplify right side
    5,378.04x = 23,439,567.59
  5. Step 5: Solve for x
    x = 23,439,567.59/5,378.04
  6. Step 6: Final answer
    x = 4,358.38

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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.