Home / 6,480.30-8,938.08-4,238.58

Finding the Fourth Proportional to 6,480.30, 8,938.08 and 4,238.58

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Solution

The fourth proportional to 6,480.30, 8,938.08 and 4,238.58 is: 5,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.30 : 8,938.08 = 4,238.58 : x
  2. Step 2: Convert to fraction form
    6,480.30/8,938.08 = 4,238.58/x
  3. Step 3: Cross multiply
    6,480.30x = 8,938.08 × 4,238.58
  4. Step 4: Simplify right side
    6,480.30x = 37,884,767.13
  5. Step 5: Solve for x
    x = 37,884,767.13/6,480.30
  6. Step 6: Final answer
    x = 5,846.14

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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.