Home / 9,420.77-14,120.39-5,262.71

Finding the Fourth Proportional to 9,420.77, 14,120.39 and 5,262.71

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Solution

The fourth proportional to 9,420.77, 14,120.39 and 5,262.71 is: 7,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.77 : 14,120.39 = 5,262.71 : x
  2. Step 2: Convert to fraction form
    9,420.77/14,120.39 = 5,262.71/x
  3. Step 3: Cross multiply
    9,420.77x = 14,120.39 × 5,262.71
  4. Step 4: Simplify right side
    9,420.77x = 74,311,460.21
  5. Step 5: Solve for x
    x = 74,311,460.21/9,420.77
  6. Step 6: Final answer
    x = 7,888.04

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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.