Home / 7,009.47-10,508.94-3,309.53

Finding the Fourth Proportional to 7,009.47, 10,508.94 and 3,309.53

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Solution

The fourth proportional to 7,009.47, 10,508.94 and 3,309.53 is: 4,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.47 : 10,508.94 = 3,309.53 : x
  2. Step 2: Convert to fraction form
    7,009.47/10,508.94 = 3,309.53/x
  3. Step 3: Cross multiply
    7,009.47x = 10,508.94 × 3,309.53
  4. Step 4: Simplify right side
    7,009.47x = 34,779,599.65
  5. Step 5: Solve for x
    x = 34,779,599.65/7,009.47
  6. Step 6: Final answer
    x = 4,961.80

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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.