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Finding the Fourth Proportional to 10,779.98, 14,876.22 and 6,064.26

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Solution

The fourth proportional to 10,779.98, 14,876.22 and 6,064.26 is: 8,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.98 : 14,876.22 = 6,064.26 : x
  2. Step 2: Convert to fraction form
    10,779.98/14,876.22 = 6,064.26/x
  3. Step 3: Cross multiply
    10,779.98x = 14,876.22 × 6,064.26
  4. Step 4: Simplify right side
    10,779.98x = 90,213,265.90
  5. Step 5: Solve for x
    x = 90,213,265.90/10,779.98
  6. Step 6: Final answer
    x = 8,368.59

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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.