Home / 9,301.49-12,832.43-5,320.47

Finding the Fourth Proportional to 9,301.49, 12,832.43 and 5,320.47

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Solution

The fourth proportional to 9,301.49, 12,832.43 and 5,320.47 is: 7,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.49 : 12,832.43 = 5,320.47 : x
  2. Step 2: Convert to fraction form
    9,301.49/12,832.43 = 5,320.47/x
  3. Step 3: Cross multiply
    9,301.49x = 12,832.43 × 5,320.47
  4. Step 4: Simplify right side
    9,301.49x = 68,274,532.24
  5. Step 5: Solve for x
    x = 68,274,532.24/9,301.49
  6. Step 6: Final answer
    x = 7,340.18

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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.