Home / 8,020.84-12,020.65-5,807.08

Finding the Fourth Proportional to 8,020.84, 12,020.65 and 5,807.08

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Solution

The fourth proportional to 8,020.84, 12,020.65 and 5,807.08 is: 8,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.84 : 12,020.65 = 5,807.08 : x
  2. Step 2: Convert to fraction form
    8,020.84/12,020.65 = 5,807.08/x
  3. Step 3: Cross multiply
    8,020.84x = 12,020.65 × 5,807.08
  4. Step 4: Simplify right side
    8,020.84x = 69,804,876.20
  5. Step 5: Solve for x
    x = 69,804,876.20/8,020.84
  6. Step 6: Final answer
    x = 8,702.94

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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.