Home / 6,456.48-8,908.88-4,066.08

Finding the Fourth Proportional to 6,456.48, 8,908.88 and 4,066.08

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Solution

The fourth proportional to 6,456.48, 8,908.88 and 4,066.08 is: 5,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.48 : 8,908.88 = 4,066.08 : x
  2. Step 2: Convert to fraction form
    6,456.48/8,908.88 = 4,066.08/x
  3. Step 3: Cross multiply
    6,456.48x = 8,908.88 × 4,066.08
  4. Step 4: Simplify right side
    6,456.48x = 36,224,218.79
  5. Step 5: Solve for x
    x = 36,224,218.79/6,456.48
  6. Step 6: Final answer
    x = 5,610.52

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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.