Home / 8,030.24-12,045.40-2,186.80

Finding the Fourth Proportional to 8,030.24, 12,045.40 and 2,186.80

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Solution

The fourth proportional to 8,030.24, 12,045.40 and 2,186.80 is: 3,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.24 : 12,045.40 = 2,186.80 : x
  2. Step 2: Convert to fraction form
    8,030.24/12,045.40 = 2,186.80/x
  3. Step 3: Cross multiply
    8,030.24x = 12,045.40 × 2,186.80
  4. Step 4: Simplify right side
    8,030.24x = 26,340,880.72
  5. Step 5: Solve for x
    x = 26,340,880.72/8,030.24
  6. Step 6: Final answer
    x = 3,280.21

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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.