Home / 6,403-8,836.16-3,608.52

Finding the Fourth Proportional to 6,403, 8,836.16 and 3,608.52

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Solution

The fourth proportional to 6,403, 8,836.16 and 3,608.52 is: 4,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403 : 8,836.16 = 3,608.52 : x
  2. Step 2: Convert to fraction form
    6,403/8,836.16 = 3,608.52/x
  3. Step 3: Cross multiply
    6,403x = 8,836.16 × 3,608.52
  4. Step 4: Simplify right side
    6,403x = 31,885,460.08
  5. Step 5: Solve for x
    x = 31,885,460.08/6,403
  6. Step 6: Final answer
    x = 4,979.77

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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.