Home / 7,434.78-10,260.03-4,077.57

Finding the Fourth Proportional to 7,434.78, 10,260.03 and 4,077.57

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Solution

The fourth proportional to 7,434.78, 10,260.03 and 4,077.57 is: 5,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.78 : 10,260.03 = 4,077.57 : x
  2. Step 2: Convert to fraction form
    7,434.78/10,260.03 = 4,077.57/x
  3. Step 3: Cross multiply
    7,434.78x = 10,260.03 × 4,077.57
  4. Step 4: Simplify right side
    7,434.78x = 41,835,990.53
  5. Step 5: Solve for x
    x = 41,835,990.53/7,434.78
  6. Step 6: Final answer
    x = 5,627.07

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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.