Home / 7,842.48-10,818.54-6,352.08

Finding the Fourth Proportional to 7,842.48, 10,818.54 and 6,352.08

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Solution

The fourth proportional to 7,842.48, 10,818.54 and 6,352.08 is: 8,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.48 : 10,818.54 = 6,352.08 : x
  2. Step 2: Convert to fraction form
    7,842.48/10,818.54 = 6,352.08/x
  3. Step 3: Cross multiply
    7,842.48x = 10,818.54 × 6,352.08
  4. Step 4: Simplify right side
    7,842.48x = 68,720,231.56
  5. Step 5: Solve for x
    x = 68,720,231.56/7,842.48
  6. Step 6: Final answer
    x = 8,762.56

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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.