Home / 7,943.76-10,962.88-4,587.20

Finding the Fourth Proportional to 7,943.76, 10,962.88 and 4,587.20

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Solution

The fourth proportional to 7,943.76, 10,962.88 and 4,587.20 is: 6,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.76 : 10,962.88 = 4,587.20 : x
  2. Step 2: Convert to fraction form
    7,943.76/10,962.88 = 4,587.20/x
  3. Step 3: Cross multiply
    7,943.76x = 10,962.88 × 4,587.20
  4. Step 4: Simplify right side
    7,943.76x = 50,288,923.14
  5. Step 5: Solve for x
    x = 50,288,923.14/7,943.76
  6. Step 6: Final answer
    x = 6,330.62

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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.