Home / 6,118.20-9,127.35-5,254.20

Finding the Fourth Proportional to 6,118.20, 9,127.35 and 5,254.20

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Solution

The fourth proportional to 6,118.20, 9,127.35 and 5,254.20 is: 7,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.20 : 9,127.35 = 5,254.20 : x
  2. Step 2: Convert to fraction form
    6,118.20/9,127.35 = 5,254.20/x
  3. Step 3: Cross multiply
    6,118.20x = 9,127.35 × 5,254.20
  4. Step 4: Simplify right side
    6,118.20x = 47,956,922.37
  5. Step 5: Solve for x
    x = 47,956,922.37/6,118.20
  6. Step 6: Final answer
    x = 7,838.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.