Home / 9,489.32-13,095.19-5,240.65

Finding the Fourth Proportional to 9,489.32, 13,095.19 and 5,240.65

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Solution

The fourth proportional to 9,489.32, 13,095.19 and 5,240.65 is: 7,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.32 : 13,095.19 = 5,240.65 : x
  2. Step 2: Convert to fraction form
    9,489.32/13,095.19 = 5,240.65/x
  3. Step 3: Cross multiply
    9,489.32x = 13,095.19 × 5,240.65
  4. Step 4: Simplify right side
    9,489.32x = 68,627,307.47
  5. Step 5: Solve for x
    x = 68,627,307.47/9,489.32
  6. Step 6: Final answer
    x = 7,232.06

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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.