Home / 8,493.02-12,740.40-2,945.10

Finding the Fourth Proportional to 8,493.02, 12,740.40 and 2,945.10

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Solution

The fourth proportional to 8,493.02, 12,740.40 and 2,945.10 is: 4,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.02 : 12,740.40 = 2,945.10 : x
  2. Step 2: Convert to fraction form
    8,493.02/12,740.40 = 2,945.10/x
  3. Step 3: Cross multiply
    8,493.02x = 12,740.40 × 2,945.10
  4. Step 4: Simplify right side
    8,493.02x = 37,521,752.04
  5. Step 5: Solve for x
    x = 37,521,752.04/8,493.02
  6. Step 6: Final answer
    x = 4,417.95

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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.