Home / 4,655.81-6,424.58-2,639.31

Finding the Fourth Proportional to 4,655.81, 6,424.58 and 2,639.31

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Solution

The fourth proportional to 4,655.81, 6,424.58 and 2,639.31 is: 3,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.81 : 6,424.58 = 2,639.31 : x
  2. Step 2: Convert to fraction form
    4,655.81/6,424.58 = 2,639.31/x
  3. Step 3: Cross multiply
    4,655.81x = 6,424.58 × 2,639.31
  4. Step 4: Simplify right side
    4,655.81x = 16,956,445.04
  5. Step 5: Solve for x
    x = 16,956,445.04/4,655.81
  6. Step 6: Final answer
    x = 3,642.00

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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.