Home / 6,929.02-10,387.30-2,545.40

Finding the Fourth Proportional to 6,929.02, 10,387.30 and 2,545.40

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Solution

The fourth proportional to 6,929.02, 10,387.30 and 2,545.40 is: 3,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.02 : 10,387.30 = 2,545.40 : x
  2. Step 2: Convert to fraction form
    6,929.02/10,387.30 = 2,545.40/x
  3. Step 3: Cross multiply
    6,929.02x = 10,387.30 × 2,545.40
  4. Step 4: Simplify right side
    6,929.02x = 26,439,833.42
  5. Step 5: Solve for x
    x = 26,439,833.42/6,929.02
  6. Step 6: Final answer
    x = 3,815.81

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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.