Home / 7,943.58-10,962.16-4,406.72

Finding the Fourth Proportional to 7,943.58, 10,962.16 and 4,406.72

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Solution

The fourth proportional to 7,943.58, 10,962.16 and 4,406.72 is: 6,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.58 : 10,962.16 = 4,406.72 : x
  2. Step 2: Convert to fraction form
    7,943.58/10,962.16 = 4,406.72/x
  3. Step 3: Cross multiply
    7,943.58x = 10,962.16 × 4,406.72
  4. Step 4: Simplify right side
    7,943.58x = 48,307,169.72
  5. Step 5: Solve for x
    x = 48,307,169.72/7,943.58
  6. Step 6: Final answer
    x = 6,081.28

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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.