Home / 5,004.28-7,509.48-2,814.40

Finding the Fourth Proportional to 5,004.28, 7,509.48 and 2,814.40

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Solution

The fourth proportional to 5,004.28, 7,509.48 and 2,814.40 is: 4,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.28 : 7,509.48 = 2,814.40 : x
  2. Step 2: Convert to fraction form
    5,004.28/7,509.48 = 2,814.40/x
  3. Step 3: Cross multiply
    5,004.28x = 7,509.48 × 2,814.40
  4. Step 4: Simplify right side
    5,004.28x = 21,134,680.51
  5. Step 5: Solve for x
    x = 21,134,680.51/5,004.28
  6. Step 6: Final answer
    x = 4,223.32

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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.