Home / 7,216.08-9,957.72-4,071.84

Finding the Fourth Proportional to 7,216.08, 9,957.72 and 4,071.84

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Solution

The fourth proportional to 7,216.08, 9,957.72 and 4,071.84 is: 5,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.08 : 9,957.72 = 4,071.84 : x
  2. Step 2: Convert to fraction form
    7,216.08/9,957.72 = 4,071.84/x
  3. Step 3: Cross multiply
    7,216.08x = 9,957.72 × 4,071.84
  4. Step 4: Simplify right side
    7,216.08x = 40,546,242.60
  5. Step 5: Solve for x
    x = 40,546,242.60/7,216.08
  6. Step 6: Final answer
    x = 5,618.87

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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.