Home / 6,357.30-8,768.70-4,472.88

Finding the Fourth Proportional to 6,357.30, 8,768.70 and 4,472.88

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Solution

The fourth proportional to 6,357.30, 8,768.70 and 4,472.88 is: 6,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.30 : 8,768.70 = 4,472.88 : x
  2. Step 2: Convert to fraction form
    6,357.30/8,768.70 = 4,472.88/x
  3. Step 3: Cross multiply
    6,357.30x = 8,768.70 × 4,472.88
  4. Step 4: Simplify right side
    6,357.30x = 39,221,342.86
  5. Step 5: Solve for x
    x = 39,221,342.86/6,357.30
  6. Step 6: Final answer
    x = 6,169.50

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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.