Home / 7,686.76-10,607.92-4,329.70

Finding the Fourth Proportional to 7,686.76, 10,607.92 and 4,329.70

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Solution

The fourth proportional to 7,686.76, 10,607.92 and 4,329.70 is: 5,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.76 : 10,607.92 = 4,329.70 : x
  2. Step 2: Convert to fraction form
    7,686.76/10,607.92 = 4,329.70/x
  3. Step 3: Cross multiply
    7,686.76x = 10,607.92 × 4,329.70
  4. Step 4: Simplify right side
    7,686.76x = 45,929,111.22
  5. Step 5: Solve for x
    x = 45,929,111.22/7,686.76
  6. Step 6: Final answer
    x = 5,975.09

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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.