Home / 7,040.18-9,717.06-4,057.76

Finding the Fourth Proportional to 7,040.18, 9,717.06 and 4,057.76

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Solution

The fourth proportional to 7,040.18, 9,717.06 and 4,057.76 is: 5,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.18 : 9,717.06 = 4,057.76 : x
  2. Step 2: Convert to fraction form
    7,040.18/9,717.06 = 4,057.76/x
  3. Step 3: Cross multiply
    7,040.18x = 9,717.06 × 4,057.76
  4. Step 4: Simplify right side
    7,040.18x = 39,429,497.39
  5. Step 5: Solve for x
    x = 39,429,497.39/7,040.18
  6. Step 6: Final answer
    x = 5,600.64

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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.