Home / 5,509.25-8,262.12-1,810.62

Finding the Fourth Proportional to 5,509.25, 8,262.12 and 1,810.62

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Solution

The fourth proportional to 5,509.25, 8,262.12 and 1,810.62 is: 2,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.25 : 8,262.12 = 1,810.62 : x
  2. Step 2: Convert to fraction form
    5,509.25/8,262.12 = 1,810.62/x
  3. Step 3: Cross multiply
    5,509.25x = 8,262.12 × 1,810.62
  4. Step 4: Simplify right side
    5,509.25x = 14,959,559.71
  5. Step 5: Solve for x
    x = 14,959,559.71/5,509.25
  6. Step 6: Final answer
    x = 2,715.35

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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.