Home / 9,008.40-13,515.63-5,679.23

Finding the Fourth Proportional to 9,008.40, 13,515.63 and 5,679.23

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Solution

The fourth proportional to 9,008.40, 13,515.63 and 5,679.23 is: 8,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.40 : 13,515.63 = 5,679.23 : x
  2. Step 2: Convert to fraction form
    9,008.40/13,515.63 = 5,679.23/x
  3. Step 3: Cross multiply
    9,008.40x = 13,515.63 × 5,679.23
  4. Step 4: Simplify right side
    9,008.40x = 76,758,303.79
  5. Step 5: Solve for x
    x = 76,758,303.79/9,008.40
  6. Step 6: Final answer
    x = 8,520.75

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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.