Home / 7,945.28-10,962.08-4,587.68

Finding the Fourth Proportional to 7,945.28, 10,962.08 and 4,587.68

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Solution

The fourth proportional to 7,945.28, 10,962.08 and 4,587.68 is: 6,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.28 : 10,962.08 = 4,587.68 : x
  2. Step 2: Convert to fraction form
    7,945.28/10,962.08 = 4,587.68/x
  3. Step 3: Cross multiply
    7,945.28x = 10,962.08 × 4,587.68
  4. Step 4: Simplify right side
    7,945.28x = 50,290,515.17
  5. Step 5: Solve for x
    x = 50,290,515.17/7,945.28
  6. Step 6: Final answer
    x = 6,329.61

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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.