Home / 6,370.74-9,557.22-1,987.08

Finding the Fourth Proportional to 6,370.74, 9,557.22 and 1,987.08

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Solution

The fourth proportional to 6,370.74, 9,557.22 and 1,987.08 is: 2,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.74 : 9,557.22 = 1,987.08 : x
  2. Step 2: Convert to fraction form
    6,370.74/9,557.22 = 1,987.08/x
  3. Step 3: Cross multiply
    6,370.74x = 9,557.22 × 1,987.08
  4. Step 4: Simplify right side
    6,370.74x = 18,990,960.72
  5. Step 5: Solve for x
    x = 18,990,960.72/6,370.74
  6. Step 6: Final answer
    x = 2,980.97

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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.