Home / 6,918.24-10,377.36-5,376

Finding the Fourth Proportional to 6,918.24, 10,377.36 and 5,376

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Solution

The fourth proportional to 6,918.24, 10,377.36 and 5,376 is: 8,064

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.24 : 10,377.36 = 5,376 : x
  2. Step 2: Convert to fraction form
    6,918.24/10,377.36 = 5,376/x
  3. Step 3: Cross multiply
    6,918.24x = 10,377.36 × 5,376
  4. Step 4: Simplify right side
    6,918.24x = 55,788,687.36
  5. Step 5: Solve for x
    x = 55,788,687.36/6,918.24
  6. Step 6: Final answer
    x = 8,064

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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.