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Finding the Fourth Proportional to 10,779.83, 14,876.14 and 6,064.11

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Solution

The fourth proportional to 10,779.83, 14,876.14 and 6,064.11 is: 8,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.83 : 14,876.14 = 6,064.11 : x
  2. Step 2: Convert to fraction form
    10,779.83/14,876.14 = 6,064.11/x
  3. Step 3: Cross multiply
    10,779.83x = 14,876.14 × 6,064.11
  4. Step 4: Simplify right side
    10,779.83x = 90,210,534.18
  5. Step 5: Solve for x
    x = 90,210,534.18/10,779.83
  6. Step 6: Final answer
    x = 8,368.46

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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.