Home / 9,215.30-12,718.14-6,237.20

Finding the Fourth Proportional to 9,215.30, 12,718.14 and 6,237.20

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Solution

The fourth proportional to 9,215.30, 12,718.14 and 6,237.20 is: 8,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.30 : 12,718.14 = 6,237.20 : x
  2. Step 2: Convert to fraction form
    9,215.30/12,718.14 = 6,237.20/x
  3. Step 3: Cross multiply
    9,215.30x = 12,718.14 × 6,237.20
  4. Step 4: Simplify right side
    9,215.30x = 79,325,582.81
  5. Step 5: Solve for x
    x = 79,325,582.81/9,215.30
  6. Step 6: Final answer
    x = 8,608.03

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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.