Home / 7,932.80-10,946.72-4,395.68

Finding the Fourth Proportional to 7,932.80, 10,946.72 and 4,395.68

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Solution

The fourth proportional to 7,932.80, 10,946.72 and 4,395.68 is: 6,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.80 : 10,946.72 = 4,395.68 : x
  2. Step 2: Convert to fraction form
    7,932.80/10,946.72 = 4,395.68/x
  3. Step 3: Cross multiply
    7,932.80x = 10,946.72 × 4,395.68
  4. Step 4: Simplify right side
    7,932.80x = 48,118,278.17
  5. Step 5: Solve for x
    x = 48,118,278.17/7,932.80
  6. Step 6: Final answer
    x = 6,065.74

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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.