Home / 4,247.65-6,368.40-2,140.58

Finding the Fourth Proportional to 4,247.65, 6,368.40 and 2,140.58

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Solution

The fourth proportional to 4,247.65, 6,368.40 and 2,140.58 is: 3,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.65 : 6,368.40 = 2,140.58 : x
  2. Step 2: Convert to fraction form
    4,247.65/6,368.40 = 2,140.58/x
  3. Step 3: Cross multiply
    4,247.65x = 6,368.40 × 2,140.58
  4. Step 4: Simplify right side
    4,247.65x = 13,632,032.48
  5. Step 5: Solve for x
    x = 13,632,032.48/4,247.65
  6. Step 6: Final answer
    x = 3,209.31

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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.