Home / 4,645.30-6,968.18-1,871.60

Finding the Fourth Proportional to 4,645.30, 6,968.18 and 1,871.60

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Solution

The fourth proportional to 4,645.30, 6,968.18 and 1,871.60 is: 2,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.30 : 6,968.18 = 1,871.60 : x
  2. Step 2: Convert to fraction form
    4,645.30/6,968.18 = 1,871.60/x
  3. Step 3: Cross multiply
    4,645.30x = 6,968.18 × 1,871.60
  4. Step 4: Simplify right side
    4,645.30x = 13,041,641.66
  5. Step 5: Solve for x
    x = 13,041,641.66/4,645.30
  6. Step 6: Final answer
    x = 2,807.49

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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.