Home / 8,685.06-13,030.11-3,490.62

Finding the Fourth Proportional to 8,685.06, 13,030.11 and 3,490.62

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Solution

The fourth proportional to 8,685.06, 13,030.11 and 3,490.62 is: 5,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.06 : 13,030.11 = 3,490.62 : x
  2. Step 2: Convert to fraction form
    8,685.06/13,030.11 = 3,490.62/x
  3. Step 3: Cross multiply
    8,685.06x = 13,030.11 × 3,490.62
  4. Step 4: Simplify right side
    8,685.06x = 45,483,162.57
  5. Step 5: Solve for x
    x = 45,483,162.57/8,685.06
  6. Step 6: Final answer
    x = 5,236.94

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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.