Home / 5,898.30-8,139.36-3,245.64

Finding the Fourth Proportional to 5,898.30, 8,139.36 and 3,245.64

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Solution

The fourth proportional to 5,898.30, 8,139.36 and 3,245.64 is: 4,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.30 : 8,139.36 = 3,245.64 : x
  2. Step 2: Convert to fraction form
    5,898.30/8,139.36 = 3,245.64/x
  3. Step 3: Cross multiply
    5,898.30x = 8,139.36 × 3,245.64
  4. Step 4: Simplify right side
    5,898.30x = 26,417,432.39
  5. Step 5: Solve for x
    x = 26,417,432.39/5,898.30
  6. Step 6: Final answer
    x = 4,478.82

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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.