Home / 6,557.40-9,836.10-1,627.07

Finding the Fourth Proportional to 6,557.40, 9,836.10 and 1,627.07

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Solution

The fourth proportional to 6,557.40, 9,836.10 and 1,627.07 is: 2,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.40 : 9,836.10 = 1,627.07 : x
  2. Step 2: Convert to fraction form
    6,557.40/9,836.10 = 1,627.07/x
  3. Step 3: Cross multiply
    6,557.40x = 9,836.10 × 1,627.07
  4. Step 4: Simplify right side
    6,557.40x = 16,003,974.05
  5. Step 5: Solve for x
    x = 16,003,974.05/6,557.40
  6. Step 6: Final answer
    x = 2,440.60

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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.