Home / 9,409.77-14,115.06-4,219.29

Finding the Fourth Proportional to 9,409.77, 14,115.06 and 4,219.29

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Solution

The fourth proportional to 9,409.77, 14,115.06 and 4,219.29 is: 6,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.77 : 14,115.06 = 4,219.29 : x
  2. Step 2: Convert to fraction form
    9,409.77/14,115.06 = 4,219.29/x
  3. Step 3: Cross multiply
    9,409.77x = 14,115.06 × 4,219.29
  4. Step 4: Simplify right side
    9,409.77x = 59,555,531.51
  5. Step 5: Solve for x
    x = 59,555,531.51/9,409.77
  6. Step 6: Final answer
    x = 6,329.12

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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.