Home / 7,923.70-10,935.03-4,386.91

Finding the Fourth Proportional to 7,923.70, 10,935.03 and 4,386.91

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Solution

The fourth proportional to 7,923.70, 10,935.03 and 4,386.91 is: 6,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.70 : 10,935.03 = 4,386.91 : x
  2. Step 2: Convert to fraction form
    7,923.70/10,935.03 = 4,386.91/x
  3. Step 3: Cross multiply
    7,923.70x = 10,935.03 × 4,386.91
  4. Step 4: Simplify right side
    7,923.70x = 47,970,992.46
  5. Step 5: Solve for x
    x = 47,970,992.46/7,923.70
  6. Step 6: Final answer
    x = 6,054.12

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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.