Home / 8,960.24-13,440.35-2,386.45

Finding the Fourth Proportional to 8,960.24, 13,440.35 and 2,386.45

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Solution

The fourth proportional to 8,960.24, 13,440.35 and 2,386.45 is: 3,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.24 : 13,440.35 = 2,386.45 : x
  2. Step 2: Convert to fraction form
    8,960.24/13,440.35 = 2,386.45/x
  3. Step 3: Cross multiply
    8,960.24x = 13,440.35 × 2,386.45
  4. Step 4: Simplify right side
    8,960.24x = 32,074,644.12
  5. Step 5: Solve for x
    x = 32,074,644.12/8,960.24
  6. Step 6: Final answer
    x = 3,579.66

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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.