Home / 9,215.72-12,718.02-5,237

Finding the Fourth Proportional to 9,215.72, 12,718.02 and 5,237

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Solution

The fourth proportional to 9,215.72, 12,718.02 and 5,237 is: 7,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.72 : 12,718.02 = 5,237 : x
  2. Step 2: Convert to fraction form
    9,215.72/12,718.02 = 5,237/x
  3. Step 3: Cross multiply
    9,215.72x = 12,718.02 × 5,237
  4. Step 4: Simplify right side
    9,215.72x = 66,604,270.74
  5. Step 5: Solve for x
    x = 66,604,270.74/9,215.72
  6. Step 6: Final answer
    x = 7,227.25

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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.