Home / 7,287.39-10,056.51-4,143.56

Finding the Fourth Proportional to 7,287.39, 10,056.51 and 4,143.56

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Solution

The fourth proportional to 7,287.39, 10,056.51 and 4,143.56 is: 5,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.39 : 10,056.51 = 4,143.56 : x
  2. Step 2: Convert to fraction form
    7,287.39/10,056.51 = 4,143.56/x
  3. Step 3: Cross multiply
    7,287.39x = 10,056.51 × 4,143.56
  4. Step 4: Simplify right side
    7,287.39x = 41,669,702.29
  5. Step 5: Solve for x
    x = 41,669,702.29/7,287.39
  6. Step 6: Final answer
    x = 5,718.06

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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.