Home / 9,017.20-13,523.40-2,777.20

Finding the Fourth Proportional to 9,017.20, 13,523.40 and 2,777.20

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Solution

The fourth proportional to 9,017.20, 13,523.40 and 2,777.20 is: 4,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.20 : 13,523.40 = 2,777.20 : x
  2. Step 2: Convert to fraction form
    9,017.20/13,523.40 = 2,777.20/x
  3. Step 3: Cross multiply
    9,017.20x = 13,523.40 × 2,777.20
  4. Step 4: Simplify right side
    9,017.20x = 37,557,186.48
  5. Step 5: Solve for x
    x = 37,557,186.48/9,017.20
  6. Step 6: Final answer
    x = 4,165.06

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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.