Home / 9,512.02-13,126.62-5,320

Finding the Fourth Proportional to 9,512.02, 13,126.62 and 5,320

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Solution

The fourth proportional to 9,512.02, 13,126.62 and 5,320 is: 7,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.02 : 13,126.62 = 5,320 : x
  2. Step 2: Convert to fraction form
    9,512.02/13,126.62 = 5,320/x
  3. Step 3: Cross multiply
    9,512.02x = 13,126.62 × 5,320
  4. Step 4: Simplify right side
    9,512.02x = 69,833,618.40
  5. Step 5: Solve for x
    x = 69,833,618.40/9,512.02
  6. Step 6: Final answer
    x = 7,341.62

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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.