Home / 9,122.27-12,570.14-6,290.51

Finding the Fourth Proportional to 9,122.27, 12,570.14 and 6,290.51

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Solution

The fourth proportional to 9,122.27, 12,570.14 and 6,290.51 is: 8,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.27 : 12,570.14 = 6,290.51 : x
  2. Step 2: Convert to fraction form
    9,122.27/12,570.14 = 6,290.51/x
  3. Step 3: Cross multiply
    9,122.27x = 12,570.14 × 6,290.51
  4. Step 4: Simplify right side
    9,122.27x = 79,072,559.92
  5. Step 5: Solve for x
    x = 79,072,559.92/9,122.27
  6. Step 6: Final answer
    x = 8,668.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.