Home / 6,209.40-9,312.12-2,048.63

Finding the Fourth Proportional to 6,209.40, 9,312.12 and 2,048.63

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Solution

The fourth proportional to 6,209.40, 9,312.12 and 2,048.63 is: 3,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.40 : 9,312.12 = 2,048.63 : x
  2. Step 2: Convert to fraction form
    6,209.40/9,312.12 = 2,048.63/x
  3. Step 3: Cross multiply
    6,209.40x = 9,312.12 × 2,048.63
  4. Step 4: Simplify right side
    6,209.40x = 19,077,088.40
  5. Step 5: Solve for x
    x = 19,077,088.40/6,209.40
  6. Step 6: Final answer
    x = 3,072.29

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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.