Home / 6,145.12-9,210.30-2,247.40

Finding the Fourth Proportional to 6,145.12, 9,210.30 and 2,247.40

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Solution

The fourth proportional to 6,145.12, 9,210.30 and 2,247.40 is: 3,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.12 : 9,210.30 = 2,247.40 : x
  2. Step 2: Convert to fraction form
    6,145.12/9,210.30 = 2,247.40/x
  3. Step 3: Cross multiply
    6,145.12x = 9,210.30 × 2,247.40
  4. Step 4: Simplify right side
    6,145.12x = 20,699,228.22
  5. Step 5: Solve for x
    x = 20,699,228.22/6,145.12
  6. Step 6: Final answer
    x = 3,368.40

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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.