Home / 7,643.07-10,547.34-4,286.73

Finding the Fourth Proportional to 7,643.07, 10,547.34 and 4,286.73

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Solution

The fourth proportional to 7,643.07, 10,547.34 and 4,286.73 is: 5,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.07 : 10,547.34 = 4,286.73 : x
  2. Step 2: Convert to fraction form
    7,643.07/10,547.34 = 4,286.73/x
  3. Step 3: Cross multiply
    7,643.07x = 10,547.34 × 4,286.73
  4. Step 4: Simplify right side
    7,643.07x = 45,213,598.80
  5. Step 5: Solve for x
    x = 45,213,598.80/7,643.07
  6. Step 6: Final answer
    x = 5,915.63

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Double scale
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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.