Home / 8,475.48-12,710.34-4,313.88

Finding the Fourth Proportional to 8,475.48, 12,710.34 and 4,313.88

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Solution

The fourth proportional to 8,475.48, 12,710.34 and 4,313.88 is: 6,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.48 : 12,710.34 = 4,313.88 : x
  2. Step 2: Convert to fraction form
    8,475.48/12,710.34 = 4,313.88/x
  3. Step 3: Cross multiply
    8,475.48x = 12,710.34 × 4,313.88
  4. Step 4: Simplify right side
    8,475.48x = 54,830,881.52
  5. Step 5: Solve for x
    x = 54,830,881.52/8,475.48
  6. Step 6: Final answer
    x = 6,469.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.