Home / 8,970.10-12,378.63-5,433.24

Finding the Fourth Proportional to 8,970.10, 12,378.63 and 5,433.24

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Solution

The fourth proportional to 8,970.10, 12,378.63 and 5,433.24 is: 7,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.10 : 12,378.63 = 5,433.24 : x
  2. Step 2: Convert to fraction form
    8,970.10/12,378.63 = 5,433.24/x
  3. Step 3: Cross multiply
    8,970.10x = 12,378.63 × 5,433.24
  4. Step 4: Simplify right side
    8,970.10x = 67,256,067.66
  5. Step 5: Solve for x
    x = 67,256,067.66/8,970.10
  6. Step 6: Final answer
    x = 7,497.81

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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.