Home / 6,615.90-9,909.45-4,014.30

Finding the Fourth Proportional to 6,615.90, 9,909.45 and 4,014.30

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Solution

The fourth proportional to 6,615.90, 9,909.45 and 4,014.30 is: 6,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.90 : 9,909.45 = 4,014.30 : x
  2. Step 2: Convert to fraction form
    6,615.90/9,909.45 = 4,014.30/x
  3. Step 3: Cross multiply
    6,615.90x = 9,909.45 × 4,014.30
  4. Step 4: Simplify right side
    6,615.90x = 39,779,505.14
  5. Step 5: Solve for x
    x = 39,779,505.14/6,615.90
  6. Step 6: Final answer
    x = 6,012.71

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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.