Home / 6,290.88-8,681.36-3,458.10

Finding the Fourth Proportional to 6,290.88, 8,681.36 and 3,458.10

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Solution

The fourth proportional to 6,290.88, 8,681.36 and 3,458.10 is: 4,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.88 : 8,681.36 = 3,458.10 : x
  2. Step 2: Convert to fraction form
    6,290.88/8,681.36 = 3,458.10/x
  3. Step 3: Cross multiply
    6,290.88x = 8,681.36 × 3,458.10
  4. Step 4: Simplify right side
    6,290.88x = 30,021,026.28
  5. Step 5: Solve for x
    x = 30,021,026.28/6,290.88
  6. Step 6: Final answer
    x = 4,772.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.