Home / 9,277.39-12,802.75-5,085.64

Finding the Fourth Proportional to 9,277.39, 12,802.75 and 5,085.64

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Solution

The fourth proportional to 9,277.39, 12,802.75 and 5,085.64 is: 7,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.39 : 12,802.75 = 5,085.64 : x
  2. Step 2: Convert to fraction form
    9,277.39/12,802.75 = 5,085.64/x
  3. Step 3: Cross multiply
    9,277.39x = 12,802.75 × 5,085.64
  4. Step 4: Simplify right side
    9,277.39x = 65,110,177.51
  5. Step 5: Solve for x
    x = 65,110,177.51/9,277.39
  6. Step 6: Final answer
    x = 7,018.16

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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.