Home / 9,210.50-13,818.44-2,970.38

Finding the Fourth Proportional to 9,210.50, 13,818.44 and 2,970.38

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Solution

The fourth proportional to 9,210.50, 13,818.44 and 2,970.38 is: 4,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.50 : 13,818.44 = 2,970.38 : x
  2. Step 2: Convert to fraction form
    9,210.50/13,818.44 = 2,970.38/x
  3. Step 3: Cross multiply
    9,210.50x = 13,818.44 × 2,970.38
  4. Step 4: Simplify right side
    9,210.50x = 41,046,059.78
  5. Step 5: Solve for x
    x = 41,046,059.78/9,210.50
  6. Step 6: Final answer
    x = 4,456.44

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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.