Home / 5,827.20-8,040.84-3,308.40

Finding the Fourth Proportional to 5,827.20, 8,040.84 and 3,308.40

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Solution

The fourth proportional to 5,827.20, 8,040.84 and 3,308.40 is: 4,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.20 : 8,040.84 = 3,308.40 : x
  2. Step 2: Convert to fraction form
    5,827.20/8,040.84 = 3,308.40/x
  3. Step 3: Cross multiply
    5,827.20x = 8,040.84 × 3,308.40
  4. Step 4: Simplify right side
    5,827.20x = 26,602,315.06
  5. Step 5: Solve for x
    x = 26,602,315.06/5,827.20
  6. Step 6: Final answer
    x = 4,565.20

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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.