Home / 4,225.65-6,342.36-2,147.10

Finding the Fourth Proportional to 4,225.65, 6,342.36 and 2,147.10

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Solution

The fourth proportional to 4,225.65, 6,342.36 and 2,147.10 is: 3,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.65 : 6,342.36 = 2,147.10 : x
  2. Step 2: Convert to fraction form
    4,225.65/6,342.36 = 2,147.10/x
  3. Step 3: Cross multiply
    4,225.65x = 6,342.36 × 2,147.10
  4. Step 4: Simplify right side
    4,225.65x = 13,617,681.16
  5. Step 5: Solve for x
    x = 13,617,681.16/4,225.65
  6. Step 6: Final answer
    x = 3,222.62

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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.