Home / 6,210.14-9,315.12-1,530.20

Finding the Fourth Proportional to 6,210.14, 9,315.12 and 1,530.20

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Solution

The fourth proportional to 6,210.14, 9,315.12 and 1,530.20 is: 2,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.14 : 9,315.12 = 1,530.20 : x
  2. Step 2: Convert to fraction form
    6,210.14/9,315.12 = 1,530.20/x
  3. Step 3: Cross multiply
    6,210.14x = 9,315.12 × 1,530.20
  4. Step 4: Simplify right side
    6,210.14x = 14,253,996.62
  5. Step 5: Solve for x
    x = 14,253,996.62/6,210.14
  6. Step 6: Final answer
    x = 2,295.28

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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.