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Finding the Fourth Proportional to 6,810.12, 10,146.69 and 6,363

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Solution

The fourth proportional to 6,810.12, 10,146.69 and 6,363 is: 9,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.12 : 10,146.69 = 6,363 : x
  2. Step 2: Convert to fraction form
    6,810.12/10,146.69 = 6,363/x
  3. Step 3: Cross multiply
    6,810.12x = 10,146.69 × 6,363
  4. Step 4: Simplify right side
    6,810.12x = 64,563,388.47
  5. Step 5: Solve for x
    x = 64,563,388.47/6,810.12
  6. Step 6: Final answer
    x = 9,480.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.