Home / 7,347.20-10,131.67-6,288.49

Finding the Fourth Proportional to 7,347.20, 10,131.67 and 6,288.49

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Solution

The fourth proportional to 7,347.20, 10,131.67 and 6,288.49 is: 8,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.20 : 10,131.67 = 6,288.49 : x
  2. Step 2: Convert to fraction form
    7,347.20/10,131.67 = 6,288.49/x
  3. Step 3: Cross multiply
    7,347.20x = 10,131.67 × 6,288.49
  4. Step 4: Simplify right side
    7,347.20x = 63,712,905.48
  5. Step 5: Solve for x
    x = 63,712,905.48/7,347.20
  6. Step 6: Final answer
    x = 8,671.73

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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.