Home / 6,861.02-10,290.33-1,929.49

Finding the Fourth Proportional to 6,861.02, 10,290.33 and 1,929.49

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Solution

The fourth proportional to 6,861.02, 10,290.33 and 1,929.49 is: 2,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.02 : 10,290.33 = 1,929.49 : x
  2. Step 2: Convert to fraction form
    6,861.02/10,290.33 = 1,929.49/x
  3. Step 3: Cross multiply
    6,861.02x = 10,290.33 × 1,929.49
  4. Step 4: Simplify right side
    6,861.02x = 19,855,088.83
  5. Step 5: Solve for x
    x = 19,855,088.83/6,861.02
  6. Step 6: Final answer
    x = 2,893.90

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1.5x scale

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.