Home / 6,239.19-9,357.74-3,421.05

Finding the Fourth Proportional to 6,239.19, 9,357.74 and 3,421.05

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Solution

The fourth proportional to 6,239.19, 9,357.74 and 3,421.05 is: 5,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.19 : 9,357.74 = 3,421.05 : x
  2. Step 2: Convert to fraction form
    6,239.19/9,357.74 = 3,421.05/x
  3. Step 3: Cross multiply
    6,239.19x = 9,357.74 × 3,421.05
  4. Step 4: Simplify right side
    6,239.19x = 32,013,279.32
  5. Step 5: Solve for x
    x = 32,013,279.32/6,239.19
  6. Step 6: Final answer
    x = 5,131.00

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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.