Home / 8,645.24-12,955.70-4,941.92

Finding the Fourth Proportional to 8,645.24, 12,955.70 and 4,941.92

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Solution

The fourth proportional to 8,645.24, 12,955.70 and 4,941.92 is: 7,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.24 : 12,955.70 = 4,941.92 : x
  2. Step 2: Convert to fraction form
    8,645.24/12,955.70 = 4,941.92/x
  3. Step 3: Cross multiply
    8,645.24x = 12,955.70 × 4,941.92
  4. Step 4: Simplify right side
    8,645.24x = 64,025,943.46
  5. Step 5: Solve for x
    x = 64,025,943.46/8,645.24
  6. Step 6: Final answer
    x = 7,405.92

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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.