Home / 8,208.79-12,293.45-4,688.13

Finding the Fourth Proportional to 8,208.79, 12,293.45 and 4,688.13

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Solution

The fourth proportional to 8,208.79, 12,293.45 and 4,688.13 is: 7,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.79 : 12,293.45 = 4,688.13 : x
  2. Step 2: Convert to fraction form
    8,208.79/12,293.45 = 4,688.13/x
  3. Step 3: Cross multiply
    8,208.79x = 12,293.45 × 4,688.13
  4. Step 4: Simplify right side
    8,208.79x = 57,633,291.75
  5. Step 5: Solve for x
    x = 57,633,291.75/8,208.79
  6. Step 6: Final answer
    x = 7,020.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.