Home / 3,500.47-5,225.09-3,085.30

Finding the Fourth Proportional to 3,500.47, 5,225.09 and 3,085.30

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Solution

The fourth proportional to 3,500.47, 5,225.09 and 3,085.30 is: 4,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.47 : 5,225.09 = 3,085.30 : x
  2. Step 2: Convert to fraction form
    3,500.47/5,225.09 = 3,085.30/x
  3. Step 3: Cross multiply
    3,500.47x = 5,225.09 × 3,085.30
  4. Step 4: Simplify right side
    3,500.47x = 16,120,970.18
  5. Step 5: Solve for x
    x = 16,120,970.18/3,500.47
  6. Step 6: Final answer
    x = 4,605.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.