Home / 6,427.36-9,636.37-4,342.20

Finding the Fourth Proportional to 6,427.36, 9,636.37 and 4,342.20

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Solution

The fourth proportional to 6,427.36, 9,636.37 and 4,342.20 is: 6,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.36 : 9,636.37 = 4,342.20 : x
  2. Step 2: Convert to fraction form
    6,427.36/9,636.37 = 4,342.20/x
  3. Step 3: Cross multiply
    6,427.36x = 9,636.37 × 4,342.20
  4. Step 4: Simplify right side
    6,427.36x = 41,843,045.81
  5. Step 5: Solve for x
    x = 41,843,045.81/6,427.36
  6. Step 6: Final answer
    x = 6,510.15

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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.