Home / 7,062.40-10,588.80-2,679.20

Finding the Fourth Proportional to 7,062.40, 10,588.80 and 2,679.20

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Solution

The fourth proportional to 7,062.40, 10,588.80 and 2,679.20 is: 4,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.40 : 10,588.80 = 2,679.20 : x
  2. Step 2: Convert to fraction form
    7,062.40/10,588.80 = 2,679.20/x
  3. Step 3: Cross multiply
    7,062.40x = 10,588.80 × 2,679.20
  4. Step 4: Simplify right side
    7,062.40x = 28,369,512.96
  5. Step 5: Solve for x
    x = 28,369,512.96/7,062.40
  6. Step 6: Final answer
    x = 4,016.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.