Home / 6,920.98-10,386.16-2,538.88

Finding the Fourth Proportional to 6,920.98, 10,386.16 and 2,538.88

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Solution

The fourth proportional to 6,920.98, 10,386.16 and 2,538.88 is: 3,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.98 : 10,386.16 = 2,538.88 : x
  2. Step 2: Convert to fraction form
    6,920.98/10,386.16 = 2,538.88/x
  3. Step 3: Cross multiply
    6,920.98x = 10,386.16 × 2,538.88
  4. Step 4: Simplify right side
    6,920.98x = 26,369,213.90
  5. Step 5: Solve for x
    x = 26,369,213.90/6,920.98
  6. Step 6: Final answer
    x = 3,810.04

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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.