Home / 5,252.90-7,875.10-1,965.52

Finding the Fourth Proportional to 5,252.90, 7,875.10 and 1,965.52

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Solution

The fourth proportional to 5,252.90, 7,875.10 and 1,965.52 is: 2,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.90 : 7,875.10 = 1,965.52 : x
  2. Step 2: Convert to fraction form
    5,252.90/7,875.10 = 1,965.52/x
  3. Step 3: Cross multiply
    5,252.90x = 7,875.10 × 1,965.52
  4. Step 4: Simplify right side
    5,252.90x = 15,478,641.95
  5. Step 5: Solve for x
    x = 15,478,641.95/5,252.90
  6. Step 6: Final answer
    x = 2,946.68

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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.