Home / 7,923.76-10,934.80-4,386.89

Finding the Fourth Proportional to 7,923.76, 10,934.80 and 4,386.89

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Solution

The fourth proportional to 7,923.76, 10,934.80 and 4,386.89 is: 6,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.76 : 10,934.80 = 4,386.89 : x
  2. Step 2: Convert to fraction form
    7,923.76/10,934.80 = 4,386.89/x
  3. Step 3: Cross multiply
    7,923.76x = 10,934.80 × 4,386.89
  4. Step 4: Simplify right side
    7,923.76x = 47,969,781.14
  5. Step 5: Solve for x
    x = 47,969,781.14/7,923.76
  6. Step 6: Final answer
    x = 6,053.92

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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.