Home / 6,020.36-8,310.40-5,389.77

Finding the Fourth Proportional to 6,020.36, 8,310.40 and 5,389.77

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Solution

The fourth proportional to 6,020.36, 8,310.40 and 5,389.77 is: 7,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.36 : 8,310.40 = 5,389.77 : x
  2. Step 2: Convert to fraction form
    6,020.36/8,310.40 = 5,389.77/x
  3. Step 3: Cross multiply
    6,020.36x = 8,310.40 × 5,389.77
  4. Step 4: Simplify right side
    6,020.36x = 44,791,162.30
  5. Step 5: Solve for x
    x = 44,791,162.30/6,020.36
  6. Step 6: Final answer
    x = 7,439.95

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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.