Home / 8,225.40-11,351.14-4,688.66

Finding the Fourth Proportional to 8,225.40, 11,351.14 and 4,688.66

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Solution

The fourth proportional to 8,225.40, 11,351.14 and 4,688.66 is: 6,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.40 : 11,351.14 = 4,688.66 : x
  2. Step 2: Convert to fraction form
    8,225.40/11,351.14 = 4,688.66/x
  3. Step 3: Cross multiply
    8,225.40x = 11,351.14 × 4,688.66
  4. Step 4: Simplify right side
    8,225.40x = 53,221,636.07
  5. Step 5: Solve for x
    x = 53,221,636.07/8,225.40
  6. Step 6: Final answer
    x = 6,470.40

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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.