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Finding the Fourth Proportional to 10,762.83, 14,852.02 and 6,287.85

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Solution

The fourth proportional to 10,762.83, 14,852.02 and 6,287.85 is: 8,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.83 : 14,852.02 = 6,287.85 : x
  2. Step 2: Convert to fraction form
    10,762.83/14,852.02 = 6,287.85/x
  3. Step 3: Cross multiply
    10,762.83x = 14,852.02 × 6,287.85
  4. Step 4: Simplify right side
    10,762.83x = 93,387,273.96
  5. Step 5: Solve for x
    x = 93,387,273.96/10,762.83
  6. Step 6: Final answer
    x = 8,676.83

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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.