Home / 6,507.13-9,760.70-1,890.13

Finding the Fourth Proportional to 6,507.13, 9,760.70 and 1,890.13

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Solution

The fourth proportional to 6,507.13, 9,760.70 and 1,890.13 is: 2,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.13 : 9,760.70 = 1,890.13 : x
  2. Step 2: Convert to fraction form
    6,507.13/9,760.70 = 1,890.13/x
  3. Step 3: Cross multiply
    6,507.13x = 9,760.70 × 1,890.13
  4. Step 4: Simplify right side
    6,507.13x = 18,448,991.89
  5. Step 5: Solve for x
    x = 18,448,991.89/6,507.13
  6. Step 6: Final answer
    x = 2,835.20

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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.