Home / 5,207.04-7,811.37-1,509.30

Finding the Fourth Proportional to 5,207.04, 7,811.37 and 1,509.30

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Solution

The fourth proportional to 5,207.04, 7,811.37 and 1,509.30 is: 2,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.04 : 7,811.37 = 1,509.30 : x
  2. Step 2: Convert to fraction form
    5,207.04/7,811.37 = 1,509.30/x
  3. Step 3: Cross multiply
    5,207.04x = 7,811.37 × 1,509.30
  4. Step 4: Simplify right side
    5,207.04x = 11,789,700.74
  5. Step 5: Solve for x
    x = 11,789,700.74/5,207.04
  6. Step 6: Final answer
    x = 2,264.18

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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.