Home / 7,347.15-11,035.65-6,489.10

Finding the Fourth Proportional to 7,347.15, 11,035.65 and 6,489.10

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Solution

The fourth proportional to 7,347.15, 11,035.65 and 6,489.10 is: 9,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.15 : 11,035.65 = 6,489.10 : x
  2. Step 2: Convert to fraction form
    7,347.15/11,035.65 = 6,489.10/x
  3. Step 3: Cross multiply
    7,347.15x = 11,035.65 × 6,489.10
  4. Step 4: Simplify right side
    7,347.15x = 71,611,450.21
  5. Step 5: Solve for x
    x = 71,611,450.21/7,347.15
  6. Step 6: Final answer
    x = 9,746.83

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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.