Home / 6,340.63-8,749.40-3,507.56

Finding the Fourth Proportional to 6,340.63, 8,749.40 and 3,507.56

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Solution

The fourth proportional to 6,340.63, 8,749.40 and 3,507.56 is: 4,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.63 : 8,749.40 = 3,507.56 : x
  2. Step 2: Convert to fraction form
    6,340.63/8,749.40 = 3,507.56/x
  3. Step 3: Cross multiply
    6,340.63x = 8,749.40 × 3,507.56
  4. Step 4: Simplify right side
    6,340.63x = 30,689,045.46
  5. Step 5: Solve for x
    x = 30,689,045.46/6,340.63
  6. Step 6: Final answer
    x = 4,840.06

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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.