Home / 6,370.38-9,557.01-1,988.19

Finding the Fourth Proportional to 6,370.38, 9,557.01 and 1,988.19

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Solution

The fourth proportional to 6,370.38, 9,557.01 and 1,988.19 is: 2,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.38 : 9,557.01 = 1,988.19 : x
  2. Step 2: Convert to fraction form
    6,370.38/9,557.01 = 1,988.19/x
  3. Step 3: Cross multiply
    6,370.38x = 9,557.01 × 1,988.19
  4. Step 4: Simplify right side
    6,370.38x = 19,001,151.71
  5. Step 5: Solve for x
    x = 19,001,151.71/6,370.38
  6. Step 6: Final answer
    x = 2,982.73

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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.