Home / 9,763.76-13,473.91-5,287.40

Finding the Fourth Proportional to 9,763.76, 13,473.91 and 5,287.40

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Solution

The fourth proportional to 9,763.76, 13,473.91 and 5,287.40 is: 7,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.76 : 13,473.91 = 5,287.40 : x
  2. Step 2: Convert to fraction form
    9,763.76/13,473.91 = 5,287.40/x
  3. Step 3: Cross multiply
    9,763.76x = 13,473.91 × 5,287.40
  4. Step 4: Simplify right side
    9,763.76x = 71,242,032.16
  5. Step 5: Solve for x
    x = 71,242,032.16/9,763.76
  6. Step 6: Final answer
    x = 7,296.58

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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.