Home / 9,477.19-13,078.49-5,285.44

Finding the Fourth Proportional to 9,477.19, 13,078.49 and 5,285.44

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Solution

The fourth proportional to 9,477.19, 13,078.49 and 5,285.44 is: 7,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.19 : 13,078.49 = 5,285.44 : x
  2. Step 2: Convert to fraction form
    9,477.19/13,078.49 = 5,285.44/x
  3. Step 3: Cross multiply
    9,477.19x = 13,078.49 × 5,285.44
  4. Step 4: Simplify right side
    9,477.19x = 69,125,574.19
  5. Step 5: Solve for x
    x = 69,125,574.19/9,477.19
  6. Step 6: Final answer
    x = 7,293.89

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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.