Home / 6,342.48-8,750.49-4,107.18

Finding the Fourth Proportional to 6,342.48, 8,750.49 and 4,107.18

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Solution

The fourth proportional to 6,342.48, 8,750.49 and 4,107.18 is: 5,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.48 : 8,750.49 = 4,107.18 : x
  2. Step 2: Convert to fraction form
    6,342.48/8,750.49 = 4,107.18/x
  3. Step 3: Cross multiply
    6,342.48x = 8,750.49 × 4,107.18
  4. Step 4: Simplify right side
    6,342.48x = 35,939,837.52
  5. Step 5: Solve for x
    x = 35,939,837.52/6,342.48
  6. Step 6: Final answer
    x = 5,666.53

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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.