Home / 7,743.21-10,687.19-4,598.79

Finding the Fourth Proportional to 7,743.21, 10,687.19 and 4,598.79

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Solution

The fourth proportional to 7,743.21, 10,687.19 and 4,598.79 is: 6,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.21 : 10,687.19 = 4,598.79 : x
  2. Step 2: Convert to fraction form
    7,743.21/10,687.19 = 4,598.79/x
  3. Step 3: Cross multiply
    7,743.21x = 10,687.19 × 4,598.79
  4. Step 4: Simplify right side
    7,743.21x = 49,148,119.51
  5. Step 5: Solve for x
    x = 49,148,119.51/7,743.21
  6. Step 6: Final answer
    x = 6,347.25

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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.