Home / 5,130.02-7,695.08-1,619.96

Finding the Fourth Proportional to 5,130.02, 7,695.08 and 1,619.96

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Solution

The fourth proportional to 5,130.02, 7,695.08 and 1,619.96 is: 2,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.02 : 7,695.08 = 1,619.96 : x
  2. Step 2: Convert to fraction form
    5,130.02/7,695.08 = 1,619.96/x
  3. Step 3: Cross multiply
    5,130.02x = 7,695.08 × 1,619.96
  4. Step 4: Simplify right side
    5,130.02x = 12,465,675.22
  5. Step 5: Solve for x
    x = 12,465,675.22/5,130.02
  6. Step 6: Final answer
    x = 2,429.95

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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.