Home / 6,440.26-8,888.12-3,607.59

Finding the Fourth Proportional to 6,440.26, 8,888.12 and 3,607.59

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Solution

The fourth proportional to 6,440.26, 8,888.12 and 3,607.59 is: 4,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.26 : 8,888.12 = 3,607.59 : x
  2. Step 2: Convert to fraction form
    6,440.26/8,888.12 = 3,607.59/x
  3. Step 3: Cross multiply
    6,440.26x = 8,888.12 × 3,607.59
  4. Step 4: Simplify right side
    6,440.26x = 32,064,681.80
  5. Step 5: Solve for x
    x = 32,064,681.80/6,440.26
  6. Step 6: Final answer
    x = 4,978.79

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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.