Home / 4,637.71-6,399.76-2,648.19

Finding the Fourth Proportional to 4,637.71, 6,399.76 and 2,648.19

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Solution

The fourth proportional to 4,637.71, 6,399.76 and 2,648.19 is: 3,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.71 : 6,399.76 = 2,648.19 : x
  2. Step 2: Convert to fraction form
    4,637.71/6,399.76 = 2,648.19/x
  3. Step 3: Cross multiply
    4,637.71x = 6,399.76 × 2,648.19
  4. Step 4: Simplify right side
    4,637.71x = 16,947,802.78
  5. Step 5: Solve for x
    x = 16,947,802.78/4,637.71
  6. Step 6: Final answer
    x = 3,654.35

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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.