Home / 9,130.16-13,696.62-2,888.09

Finding the Fourth Proportional to 9,130.16, 13,696.62 and 2,888.09

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Solution

The fourth proportional to 9,130.16, 13,696.62 and 2,888.09 is: 4,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.16 : 13,696.62 = 2,888.09 : x
  2. Step 2: Convert to fraction form
    9,130.16/13,696.62 = 2,888.09/x
  3. Step 3: Cross multiply
    9,130.16x = 13,696.62 × 2,888.09
  4. Step 4: Simplify right side
    9,130.16x = 39,557,071.26
  5. Step 5: Solve for x
    x = 39,557,071.26/9,130.16
  6. Step 6: Final answer
    x = 4,332.57

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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.