Home / 6,210.24-9,309.72-4,020

Finding the Fourth Proportional to 6,210.24, 9,309.72 and 4,020

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Solution

The fourth proportional to 6,210.24, 9,309.72 and 4,020 is: 6,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.24 : 9,309.72 = 4,020 : x
  2. Step 2: Convert to fraction form
    6,210.24/9,309.72 = 4,020/x
  3. Step 3: Cross multiply
    6,210.24x = 9,309.72 × 4,020
  4. Step 4: Simplify right side
    6,210.24x = 37,425,074.40
  5. Step 5: Solve for x
    x = 37,425,074.40/6,210.24
  6. Step 6: Final answer
    x = 6,026.35

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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.