Home / 9,278.30-13,916.10-2,703.80

Finding the Fourth Proportional to 9,278.30, 13,916.10 and 2,703.80

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Solution

The fourth proportional to 9,278.30, 13,916.10 and 2,703.80 is: 4,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.30 : 13,916.10 = 2,703.80 : x
  2. Step 2: Convert to fraction form
    9,278.30/13,916.10 = 2,703.80/x
  3. Step 3: Cross multiply
    9,278.30x = 13,916.10 × 2,703.80
  4. Step 4: Simplify right side
    9,278.30x = 37,626,351.18
  5. Step 5: Solve for x
    x = 37,626,351.18/9,278.30
  6. Step 6: Final answer
    x = 4,055.31

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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.