Home / 5,207.25-7,810.88-1,509.49

Finding the Fourth Proportional to 5,207.25, 7,810.88 and 1,509.49

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Solution

The fourth proportional to 5,207.25, 7,810.88 and 1,509.49 is: 2,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.25 : 7,810.88 = 1,509.49 : x
  2. Step 2: Convert to fraction form
    5,207.25/7,810.88 = 1,509.49/x
  3. Step 3: Cross multiply
    5,207.25x = 7,810.88 × 1,509.49
  4. Step 4: Simplify right side
    5,207.25x = 11,790,412.02
  5. Step 5: Solve for x
    x = 11,790,412.02/5,207.25
  6. Step 6: Final answer
    x = 2,264.23

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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.