Home / 8,891.40-13,337.12-2,317.58

Finding the Fourth Proportional to 8,891.40, 13,337.12 and 2,317.58

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Solution

The fourth proportional to 8,891.40, 13,337.12 and 2,317.58 is: 3,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.40 : 13,337.12 = 2,317.58 : x
  2. Step 2: Convert to fraction form
    8,891.40/13,337.12 = 2,317.58/x
  3. Step 3: Cross multiply
    8,891.40x = 13,337.12 × 2,317.58
  4. Step 4: Simplify right side
    8,891.40x = 30,909,831.69
  5. Step 5: Solve for x
    x = 30,909,831.69/8,891.40
  6. Step 6: Final answer
    x = 3,476.37

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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.