Home / 6,253.61-8,628.63-3,985.81

Finding the Fourth Proportional to 6,253.61, 8,628.63 and 3,985.81

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Solution

The fourth proportional to 6,253.61, 8,628.63 and 3,985.81 is: 5,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.61 : 8,628.63 = 3,985.81 : x
  2. Step 2: Convert to fraction form
    6,253.61/8,628.63 = 3,985.81/x
  3. Step 3: Cross multiply
    6,253.61x = 8,628.63 × 3,985.81
  4. Step 4: Simplify right side
    6,253.61x = 34,392,043.22
  5. Step 5: Solve for x
    x = 34,392,043.22/6,253.61
  6. Step 6: Final answer
    x = 5,499.55

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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.