Home / 9,470.88-13,070.40-5,221.92

Finding the Fourth Proportional to 9,470.88, 13,070.40 and 5,221.92

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Solution

The fourth proportional to 9,470.88, 13,070.40 and 5,221.92 is: 7,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.88 : 13,070.40 = 5,221.92 : x
  2. Step 2: Convert to fraction form
    9,470.88/13,070.40 = 5,221.92/x
  3. Step 3: Cross multiply
    9,470.88x = 13,070.40 × 5,221.92
  4. Step 4: Simplify right side
    9,470.88x = 68,252,583.17
  5. Step 5: Solve for x
    x = 68,252,583.17/9,470.88
  6. Step 6: Final answer
    x = 7,206.57

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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.