Home / 9,210.09-13,815.16-2,970.56

Finding the Fourth Proportional to 9,210.09, 13,815.16 and 2,970.56

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Solution

The fourth proportional to 9,210.09, 13,815.16 and 2,970.56 is: 4,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.09 : 13,815.16 = 2,970.56 : x
  2. Step 2: Convert to fraction form
    9,210.09/13,815.16 = 2,970.56/x
  3. Step 3: Cross multiply
    9,210.09x = 13,815.16 × 2,970.56
  4. Step 4: Simplify right side
    9,210.09x = 41,038,761.69
  5. Step 5: Solve for x
    x = 41,038,761.69/9,210.09
  6. Step 6: Final answer
    x = 4,455.85

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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.