Home / 6,240.06-8,609.60-3,721.02

Finding the Fourth Proportional to 6,240.06, 8,609.60 and 3,721.02

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Solution

The fourth proportional to 6,240.06, 8,609.60 and 3,721.02 is: 5,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.06 : 8,609.60 = 3,721.02 : x
  2. Step 2: Convert to fraction form
    6,240.06/8,609.60 = 3,721.02/x
  3. Step 3: Cross multiply
    6,240.06x = 8,609.60 × 3,721.02
  4. Step 4: Simplify right side
    6,240.06x = 32,036,475.19
  5. Step 5: Solve for x
    x = 32,036,475.19/6,240.06
  6. Step 6: Final answer
    x = 5,134.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.